1992172160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4730

約数の個数: 128

約数和(自身を含む): 5281804800

約数和(自身を除く): 3289632640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 160, 176, 220, 244, 305, 320, 352, 440, 488, 610, 640, 671, 704, 880, 976, 1220, 1342, 1408, 1760, 1952, 2440, 2684, 3355, 3520, 3904, 4639, 4880, 5368, 6710, 7040, 7808, 9278, 9760, 10736, 13420, 18556, 19520, 21472, 23195, 26840, 37112, 39040, 42944, 46390, 51029, 53680, 74224, 85888, 92780, 102058, 107360, 148448, 185560, 204116, 214720, 255145, 282979, 296896, 371120, 408232, 429440, 510290, 565958, 593792, 742240, 816464, 1020580, 1131916, 1414895, 1484480, 1632928, 2041160, 2263832, 2829790, 2968960, 3112769, 3265856, 4082320, 4527664, 5659580, 6225538, 6531712, 8164640, 9055328, 11319160, 12451076, 15563845, 16329280, 18110656, 22638320, 24902152, 31127690, 32658560, 36221312, 45276640, 49804304, 62255380, 90553280, 99608608, 124510760, 181106560, 199217216, 249021520, 398434432, 498043040, 996086080, 1992172160]

約数ペア:

[(1, 1992172160), (2, 996086080), (4, 498043040), (5, 398434432), (8, 249021520), (10, 199217216), (11, 181106560), (16, 124510760), (20, 99608608), (22, 90553280), (32, 62255380), (40, 49804304), (44, 45276640), (55, 36221312), (61, 32658560), (64, 31127690), (80, 24902152), (88, 22638320), (110, 18110656), (122, 16329280), (128, 15563845), (160, 12451076), (176, 11319160), (220, 9055328), (244, 8164640), (305, 6531712), (320, 6225538), (352, 5659580), (440, 4527664), (488, 4082320), (610, 3265856), (640, 3112769), (671, 2968960), (704, 2829790), (880, 2263832), (976, 2041160), (1220, 1632928), (1342, 1484480), (1408, 1414895), (1760, 1131916), (1952, 1020580), (2440, 816464), (2684, 742240), (3355, 593792), (3520, 565958), (3904, 510290), (4639, 429440), (4880, 408232), (5368, 371120), (6710, 296896), (7040, 282979), (7808, 255145), (9278, 214720), (9760, 204116), (10736, 185560), (13420, 148448), (18556, 107360), (19520, 102058), (21472, 92780), (23195, 85888), (26840, 74224), (37112, 53680), (39040, 51029), (42944, 46390)]