642468420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19087}}^1$

素因数の和:19130

約数の個数: 144

約数和(自身を含む): 2251162368

約数和(自身を除く): 1608693948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2805, 3060, 3366, 3740, 5610, 6732, 8415, 11220, 16830, 19087, 33660, 38174, 57261, 76348, 95435, 114522, 171783, 190870, 209957, 229044, 286305, 324479, 343566, 381740, 419914, 572610, 629871, 648958, 687132, 839828, 858915, 973437, 1049785, 1145220, 1259742, 1297916, 1622395, 1717830, 1889613, 1946874, 2099570, 2519484, 2920311, 3149355, 3244790, 3435660, 3569269, 3779226, 3893748, 4199140, 4867185, 5840622, 6298710, 6489580, 7138538, 7558452, 9448065, 9734370, 10707807, 11681244, 12597420, 14277076, 14601555, 17846345, 18896130, 19468740, 21415614, 29203110, 32123421, 35692690, 37792260, 42831228, 53539035, 58406220, 64246842, 71385380, 107078070, 128493684, 160617105, 214156140, 321234210, 642468420]

約数ペア:

[(1, 642468420), (2, 321234210), (3, 214156140), (4, 160617105), (5, 128493684), (6, 107078070), (9, 71385380), (10, 64246842), (11, 58406220), (12, 53539035), (15, 42831228), (17, 37792260), (18, 35692690), (20, 32123421), (22, 29203110), (30, 21415614), (33, 19468740), (34, 18896130), (36, 17846345), (44, 14601555), (45, 14277076), (51, 12597420), (55, 11681244), (60, 10707807), (66, 9734370), (68, 9448065), (85, 7558452), (90, 7138538), (99, 6489580), (102, 6298710), (110, 5840622), (132, 4867185), (153, 4199140), (165, 3893748), (170, 3779226), (180, 3569269), (187, 3435660), (198, 3244790), (204, 3149355), (220, 2920311), (255, 2519484), (306, 2099570), (330, 1946874), (340, 1889613), (374, 1717830), (396, 1622395), (495, 1297916), (510, 1259742), (561, 1145220), (612, 1049785), (660, 973437), (748, 858915), (765, 839828), (935, 687132), (990, 648958), (1020, 629871), (1122, 572610), (1530, 419914), (1683, 381740), (1870, 343566), (1980, 324479), (2244, 286305), (2805, 229044), (3060, 209957), (3366, 190870), (3740, 171783), (5610, 114522), (6732, 95435), (8415, 76348), (11220, 57261), (16830, 38174), (19087, 33660)]