81946620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 314092800

約数和(自身を除く): 232146180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 163, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 326, 342, 378, 380, 399, 420, 441, 489, 490, 513, 532, 540, 570, 588, 630, 652, 665, 684, 735, 756, 798, 815, 855, 882, 931, 945, 978, 980, 1026, 1140, 1141, 1197, 1260, 1323, 1330, 1467, 1470, 1596, 1630, 1710, 1764, 1862, 1890, 1956, 1995, 2052, 2205, 2282, 2394, 2445, 2565, 2646, 2660, 2793, 2934, 2940, 3097, 3260, 3420, 3423, 3591, 3724, 3780, 3990, 4401, 4410, 4564, 4655, 4788, 4890, 5130, 5292, 5586, 5705, 5868, 5985, 6194, 6615, 6846, 7182, 7335, 7980, 7987, 8379, 8802, 8820, 9291, 9310, 9780, 10260, 10269, 11172, 11410, 11970, 12388, 13230, 13692, 13965, 14364, 14670, 15485, 15974, 16758, 17115, 17604, 17955, 18582, 18620, 20538, 21679, 22005, 22820, 23940, 23961, 25137, 26460, 27873, 27930, 29340, 30807, 30970, 31948, 33516, 34230, 35910, 37164, 39935, 41076, 41895, 43358, 44010, 46455, 47922, 50274, 51345, 55746, 55860, 61614, 61940, 65037, 68460, 71820, 71883, 79870, 83619, 83790, 86716, 88020, 92910, 95844, 100548, 102690, 108395, 111492, 119805, 123228, 125685, 130074, 139365, 143766, 151753, 154035, 159740, 167238, 167580, 185820, 195111, 205380, 215649, 216790, 239610, 251370, 260148, 278730, 287532, 303506, 308070, 325185, 334476, 359415, 390222, 418095, 431298, 433580, 455259, 479220, 502740, 557460, 585333, 607012, 616140, 650370, 718830, 758765, 780444, 836190, 862596, 910518, 975555, 1078245, 1170666, 1300740, 1365777, 1437660, 1517530, 1672380, 1821036, 1951110, 2156490, 2276295, 2341332, 2731554, 2926665, 3035060, 3902220, 4097331, 4312980, 4552590, 5463108, 5853330, 6828885, 8194662, 9105180, 11706660, 13657770, 16389324, 20486655, 27315540, 40973310, 81946620]

約数ペア:

[(1, 81946620), (2, 40973310), (3, 27315540), (4, 20486655), (5, 16389324), (6, 13657770), (7, 11706660), (9, 9105180), (10, 8194662), (12, 6828885), (14, 5853330), (15, 5463108), (18, 4552590), (19, 4312980), (20, 4097331), (21, 3902220), (27, 3035060), (28, 2926665), (30, 2731554), (35, 2341332), (36, 2276295), (38, 2156490), (42, 1951110), (45, 1821036), (49, 1672380), (54, 1517530), (57, 1437660), (60, 1365777), (63, 1300740), (70, 1170666), (76, 1078245), (84, 975555), (90, 910518), (95, 862596), (98, 836190), (105, 780444), (108, 758765), (114, 718830), (126, 650370), (133, 616140), (135, 607012), (140, 585333), (147, 557460), (163, 502740), (171, 479220), (180, 455259), (189, 433580), (190, 431298), (196, 418095), (210, 390222), (228, 359415), (245, 334476), (252, 325185), (266, 308070), (270, 303506), (285, 287532), (294, 278730), (315, 260148), (326, 251370), (342, 239610), (378, 216790), (380, 215649), (399, 205380), (420, 195111), (441, 185820), (489, 167580), (490, 167238), (513, 159740), (532, 154035), (540, 151753), (570, 143766), (588, 139365), (630, 130074), (652, 125685), (665, 123228), (684, 119805), (735, 111492), (756, 108395), (798, 102690), (815, 100548), (855, 95844), (882, 92910), (931, 88020), (945, 86716), (978, 83790), (980, 83619), (1026, 79870), (1140, 71883), (1141, 71820), (1197, 68460), (1260, 65037), (1323, 61940), (1330, 61614), (1467, 55860), (1470, 55746), (1596, 51345), (1630, 50274), (1710, 47922), (1764, 46455), (1862, 44010), (1890, 43358), (1956, 41895), (1995, 41076), (2052, 39935), (2205, 37164), (2282, 35910), (2394, 34230), (2445, 33516), (2565, 31948), (2646, 30970), (2660, 30807), (2793, 29340), (2934, 27930), (2940, 27873), (3097, 26460), (3260, 25137), (3420, 23961), (3423, 23940), (3591, 22820), (3724, 22005), (3780, 21679), (3990, 20538), (4401, 18620), (4410, 18582), (4564, 17955), (4655, 17604), (4788, 17115), (4890, 16758), (5130, 15974), (5292, 15485), (5586, 14670), (5705, 14364), (5868, 13965), (5985, 13692), (6194, 13230), (6615, 12388), (6846, 11970), (7182, 11410), (7335, 11172), (7980, 10269), (7987, 10260), (8379, 9780), (8802, 9310), (8820, 9291)]