20217904560

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23459}}^1$

素因数の和:23510

約数の個数: 400

約数和(自身を含む): 84478521600

約数和(自身を除く): 64260617040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 324, 336, 342, 360, 378, 380, 399, 405, 420, 432, 456, 504, 513, 532, 540, 560, 567, 570, 630, 648, 665, 684, 720, 756, 760, 798, 810, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1134, 1140, 1197, 1260, 1296, 1330, 1368, 1512, 1520, 1539, 1596, 1620, 1680, 1710, 1890, 1995, 2052, 2128, 2160, 2268, 2280, 2394, 2520, 2565, 2660, 2736, 2835, 3024, 3078, 3192, 3240, 3420, 3591, 3780, 3990, 4104, 4536, 4560, 4788, 5040, 5130, 5320, 5670, 5985, 6156, 6384, 6480, 6840, 7182, 7560, 7695, 7980, 8208, 9072, 9576, 10260, 10640, 10773, 11340, 11970, 12312, 13680, 14364, 15120, 15390, 15960, 17955, 19152, 20520, 21546, 22680, 23459, 23940, 24624, 28728, 30780, 31920, 35910, 41040, 43092, 45360, 46918, 47880, 53865, 57456, 61560, 70377, 71820, 86184, 93836, 95760, 107730, 117295, 123120, 140754, 143640, 164213, 172368, 187672, 211131, 215460, 234590, 281508, 287280, 328426, 351885, 375344, 422262, 430920, 445721, 469180, 492639, 563016, 633393, 656852, 703770, 821065, 844524, 861840, 891442, 938360, 985278, 1055655, 1126032, 1266786, 1313704, 1337163, 1407540, 1477917, 1642130, 1689048, 1782884, 1876720, 1900179, 1970556, 2111310, 2228605, 2463195, 2533572, 2627408, 2674326, 2815080, 2955834, 3120047, 3166965, 3284260, 3378096, 3565768, 3800358, 3941112, 4011489, 4222620, 4433751, 4457210, 4926390, 5067144, 5348652, 5630160, 5911668, 6240094, 6333930, 6568520, 6685815, 7131536, 7389585, 7600716, 7882224, 8022978, 8445240, 8867502, 8914420, 9360141, 9500895, 9852780, 10134288, 10697304, 11823336, 12034467, 12480188, 12667860, 13137040, 13301253, 13371630, 14779170, 15201432, 15600235, 16045956, 16890480, 17735004, 17828840, 18720282, 19001790, 19705560, 20057445, 21394608, 22168755, 23646672, 24068934, 24960376, 25335720, 26602506, 26743260, 28080423, 29558340, 30402864, 31200470, 32091912, 35470008, 35657680, 36103401, 37440564, 38003580, 39411120, 40114890, 44337510, 46800705, 48137868, 49920752, 50671440, 53205012, 53486520, 56160846, 59116680, 60172335, 62400940, 64183824, 66506265, 70940016, 72206802, 74881128, 76007160, 80229780, 84241269, 88675020, 93601410, 96275736, 106410024, 106973040, 112321692, 118233360, 120344670, 124801880, 133012530, 140402115, 144413604, 149762256, 152014320, 160459560, 168482538, 177350040, 180517005, 187202820, 192551472, 212820048, 224643384, 240689340, 249603760, 252723807, 266025060, 280804230, 288827208, 320919120, 336965076, 354700080, 361034010, 374405640, 421206345, 449286768, 481378680, 505447614, 532050120, 561608460, 577654416, 673930152, 722068020, 748811280, 842412690, 962757360, 1010895228, 1064100240, 1123216920, 1263619035, 1347860304, 1444136040, 1684825380, 2021790456, 2246433840, 2527238070, 2888272080, 3369650760, 4043580912, 5054476140, 6739301520, 10108952280, 20217904560]

約数ペア:

[(1, 20217904560), (2, 10108952280), (3, 6739301520), (4, 5054476140), (5, 4043580912), (6, 3369650760), (7, 2888272080), (8, 2527238070), (9, 2246433840), (10, 2021790456), (12, 1684825380), (14, 1444136040), (15, 1347860304), (16, 1263619035), (18, 1123216920), (19, 1064100240), (20, 1010895228), (21, 962757360), (24, 842412690), (27, 748811280), (28, 722068020), (30, 673930152), (35, 577654416), (36, 561608460), (38, 532050120), (40, 505447614), (42, 481378680), (45, 449286768), (48, 421206345), (54, 374405640), (56, 361034010), (57, 354700080), (60, 336965076), (63, 320919120), (70, 288827208), (72, 280804230), (76, 266025060), (80, 252723807), (81, 249603760), (84, 240689340), (90, 224643384), (95, 212820048), (105, 192551472), (108, 187202820), (112, 180517005), (114, 177350040), (120, 168482538), (126, 160459560), (133, 152014320), (135, 149762256), (140, 144413604), (144, 140402115), (152, 133012530), (162, 124801880), (168, 120344670), (171, 118233360), (180, 112321692), (189, 106973040), (190, 106410024), (210, 96275736), (216, 93601410), (228, 88675020), (240, 84241269), (252, 80229780), (266, 76007160), (270, 74881128), (280, 72206802), (285, 70940016), (304, 66506265), (315, 64183824), (324, 62400940), (336, 60172335), (342, 59116680), (360, 56160846), (378, 53486520), (380, 53205012), (399, 50671440), (405, 49920752), (420, 48137868), (432, 46800705), (456, 44337510), (504, 40114890), (513, 39411120), (532, 38003580), (540, 37440564), (560, 36103401), (567, 35657680), (570, 35470008), (630, 32091912), (648, 31200470), (665, 30402864), (684, 29558340), (720, 28080423), (756, 26743260), (760, 26602506), (798, 25335720), (810, 24960376), (840, 24068934), (855, 23646672), (912, 22168755), (945, 21394608), (1008, 20057445), (1026, 19705560), (1064, 19001790), (1080, 18720282), (1134, 17828840), (1140, 17735004), (1197, 16890480), (1260, 16045956), (1296, 15600235), (1330, 15201432), (1368, 14779170), (1512, 13371630), (1520, 13301253), (1539, 13137040), (1596, 12667860), (1620, 12480188), (1680, 12034467), (1710, 11823336), (1890, 10697304), (1995, 10134288), (2052, 9852780), (2128, 9500895), (2160, 9360141), (2268, 8914420), (2280, 8867502), (2394, 8445240), (2520, 8022978), (2565, 7882224), (2660, 7600716), (2736, 7389585), (2835, 7131536), (3024, 6685815), (3078, 6568520), (3192, 6333930), (3240, 6240094), (3420, 5911668), (3591, 5630160), (3780, 5348652), (3990, 5067144), (4104, 4926390), (4536, 4457210), (4560, 4433751), (4788, 4222620), (5040, 4011489), (5130, 3941112), (5320, 3800358), (5670, 3565768), (5985, 3378096), (6156, 3284260), (6384, 3166965), (6480, 3120047), (6840, 2955834), (7182, 2815080), (7560, 2674326), (7695, 2627408), (7980, 2533572), (8208, 2463195), (9072, 2228605), (9576, 2111310), (10260, 1970556), (10640, 1900179), (10773, 1876720), (11340, 1782884), (11970, 1689048), (12312, 1642130), (13680, 1477917), (14364, 1407540), (15120, 1337163), (15390, 1313704), (15960, 1266786), (17955, 1126032), (19152, 1055655), (20520, 985278), (21546, 938360), (22680, 891442), (23459, 861840), (23940, 844524), (24624, 821065), (28728, 703770), (30780, 656852), (31920, 633393), (35910, 563016), (41040, 492639), (43092, 469180), (45360, 445721), (46918, 430920), (47880, 422262), (53865, 375344), (57456, 351885), (61560, 328426), (70377, 287280), (71820, 281508), (86184, 234590), (93836, 215460), (95760, 211131), (107730, 187672), (117295, 172368), (123120, 164213), (140754, 143640)]