1981111860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120947}}^1$

素因数の和:120982

約数の個数: 144

約数和(自身を含む): 7396212096

約数和(自身を除く): 5415100236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 120947, 241894, 362841, 483788, 604735, 725682, 846629, 1088523, 1209470, 1451364, 1572311, 1693258, 1814205, 2177046, 2418940, 2539887, 3144622, 3386516, 3628410, 4233145, 4354092, 4716933, 5079774, 5442615, 6289244, 7256820, 7619661, 7861555, 8466290, 9433866, 10159548, 10885230, 11006177, 12699435, 14150799, 15239322, 15723110, 16932580, 18867732, 21770460, 22012354, 23584665, 25398870, 28301598, 30478644, 31446220, 33018531, 38098305, 44024708, 47169330, 50797740, 55030885, 56603196, 66037062, 70753995, 76196610, 94338660, 99055593, 110061770, 132074124, 141507990, 152393220, 165092655, 198111186, 220123540, 283015980, 330185310, 396222372, 495277965, 660370620, 990555930, 1981111860]

約数ペア:

[(1, 1981111860), (2, 990555930), (3, 660370620), (4, 495277965), (5, 396222372), (6, 330185310), (7, 283015980), (9, 220123540), (10, 198111186), (12, 165092655), (13, 152393220), (14, 141507990), (15, 132074124), (18, 110061770), (20, 99055593), (21, 94338660), (26, 76196610), (28, 70753995), (30, 66037062), (35, 56603196), (36, 55030885), (39, 50797740), (42, 47169330), (45, 44024708), (52, 38098305), (60, 33018531), (63, 31446220), (65, 30478644), (70, 28301598), (78, 25398870), (84, 23584665), (90, 22012354), (91, 21770460), (105, 18867732), (117, 16932580), (126, 15723110), (130, 15239322), (140, 14150799), (156, 12699435), (180, 11006177), (182, 10885230), (195, 10159548), (210, 9433866), (234, 8466290), (252, 7861555), (260, 7619661), (273, 7256820), (315, 6289244), (364, 5442615), (390, 5079774), (420, 4716933), (455, 4354092), (468, 4233145), (546, 3628410), (585, 3386516), (630, 3144622), (780, 2539887), (819, 2418940), (910, 2177046), (1092, 1814205), (1170, 1693258), (1260, 1572311), (1365, 1451364), (1638, 1209470), (1820, 1088523), (2340, 846629), (2730, 725682), (3276, 604735), (4095, 483788), (5460, 362841), (8190, 241894), (16380, 120947)]