19956797640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1365

約数の個数: 288

約数和(自身を含む): 70515843840

約数和(自身を除く): 50559046200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 331, 338, 360, 390, 468, 507, 520, 585, 662, 676, 780, 845, 936, 991, 993, 1014, 1170, 1324, 1352, 1521, 1560, 1655, 1690, 1982, 1986, 2028, 2340, 2535, 2648, 2973, 2979, 3042, 3310, 3380, 3964, 3972, 4056, 4303, 4680, 4955, 4965, 5070, 5946, 5958, 6084, 6620, 6760, 7605, 7928, 7944, 8606, 8919, 9910, 9930, 10140, 11892, 11916, 12168, 12883, 12909, 13240, 14865, 14895, 15210, 17212, 17838, 19820, 19860, 20280, 21515, 23784, 23832, 25766, 25818, 29730, 29790, 30420, 34424, 35676, 38649, 38727, 39640, 39720, 43030, 44595, 51532, 51636, 55939, 59460, 59580, 60840, 64415, 64545, 71352, 77298, 77454, 86060, 89190, 103064, 103272, 111878, 115947, 118920, 119160, 128830, 129090, 154596, 154908, 167479, 167817, 172120, 178380, 193245, 193635, 223756, 231894, 257660, 258180, 279695, 309192, 309816, 328021, 334958, 335634, 356760, 386490, 387270, 447512, 463788, 502437, 503451, 515320, 516360, 559390, 579735, 656042, 669916, 671268, 772980, 774540, 837395, 839085, 927576, 984063, 1004874, 1006902, 1118780, 1159470, 1312084, 1339832, 1342536, 1507311, 1545960, 1549080, 1640105, 1674790, 1678170, 1968126, 2009748, 2013804, 2237560, 2318940, 2512185, 2517255, 2624168, 2952189, 3014622, 3280210, 3349580, 3356340, 3936252, 4019496, 4027608, 4264273, 4637880, 4920315, 5024370, 5034510, 5904378, 6029244, 6560420, 6699160, 6712680, 7536555, 7872504, 8528546, 9840630, 10048740, 10069020, 11808756, 12058488, 12792819, 13120840, 14760945, 15073110, 17057092, 19681260, 20097480, 20138040, 21321365, 23617512, 25585638, 29521890, 30146220, 34114184, 38378457, 39362520, 42642730, 51171276, 55435549, 59043780, 60292440, 63964095, 76756914, 85285460, 102342552, 110871098, 118087560, 127928190, 153513828, 166306647, 170570920, 191892285, 221742196, 255856380, 277177745, 307027656, 332613294, 383784570, 443484392, 498919941, 511712760, 554355490, 665226588, 767569140, 831533235, 997839882, 1108710980, 1330453176, 1535138280, 1663066470, 1995679764, 2217421960, 2494599705, 3326132940, 3991359528, 4989199410, 6652265880, 9978398820, 19956797640]

約数ペア:

[(1, 19956797640), (2, 9978398820), (3, 6652265880), (4, 4989199410), (5, 3991359528), (6, 3326132940), (8, 2494599705), (9, 2217421960), (10, 1995679764), (12, 1663066470), (13, 1535138280), (15, 1330453176), (18, 1108710980), (20, 997839882), (24, 831533235), (26, 767569140), (30, 665226588), (36, 554355490), (39, 511712760), (40, 498919941), (45, 443484392), (52, 383784570), (60, 332613294), (65, 307027656), (72, 277177745), (78, 255856380), (90, 221742196), (104, 191892285), (117, 170570920), (120, 166306647), (130, 153513828), (156, 127928190), (169, 118087560), (180, 110871098), (195, 102342552), (234, 85285460), (260, 76756914), (312, 63964095), (331, 60292440), (338, 59043780), (360, 55435549), (390, 51171276), (468, 42642730), (507, 39362520), (520, 38378457), (585, 34114184), (662, 30146220), (676, 29521890), (780, 25585638), (845, 23617512), (936, 21321365), (991, 20138040), (993, 20097480), (1014, 19681260), (1170, 17057092), (1324, 15073110), (1352, 14760945), (1521, 13120840), (1560, 12792819), (1655, 12058488), (1690, 11808756), (1982, 10069020), (1986, 10048740), (2028, 9840630), (2340, 8528546), (2535, 7872504), (2648, 7536555), (2973, 6712680), (2979, 6699160), (3042, 6560420), (3310, 6029244), (3380, 5904378), (3964, 5034510), (3972, 5024370), (4056, 4920315), (4303, 4637880), (4680, 4264273), (4955, 4027608), (4965, 4019496), (5070, 3936252), (5946, 3356340), (5958, 3349580), (6084, 3280210), (6620, 3014622), (6760, 2952189), (7605, 2624168), (7928, 2517255), (7944, 2512185), (8606, 2318940), (8919, 2237560), (9910, 2013804), (9930, 2009748), (10140, 1968126), (11892, 1678170), (11916, 1674790), (12168, 1640105), (12883, 1549080), (12909, 1545960), (13240, 1507311), (14865, 1342536), (14895, 1339832), (15210, 1312084), (17212, 1159470), (17838, 1118780), (19820, 1006902), (19860, 1004874), (20280, 984063), (21515, 927576), (23784, 839085), (23832, 837395), (25766, 774540), (25818, 772980), (29730, 671268), (29790, 669916), (30420, 656042), (34424, 579735), (35676, 559390), (38649, 516360), (38727, 515320), (39640, 503451), (39720, 502437), (43030, 463788), (44595, 447512), (51532, 387270), (51636, 386490), (55939, 356760), (59460, 335634), (59580, 334958), (60840, 328021), (64415, 309816), (64545, 309192), (71352, 279695), (77298, 258180), (77454, 257660), (86060, 231894), (89190, 223756), (103064, 193635), (103272, 193245), (111878, 178380), (115947, 172120), (118920, 167817), (119160, 167479), (128830, 154908), (129090, 154596)]