156979851880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:1211

約数の個数: 128

約数和(自身を含む): 359760994560

約数和(自身を除く): 202781142680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 197, 241, 262, 394, 482, 524, 631, 655, 788, 964, 985, 1048, 1205, 1262, 1310, 1576, 1928, 1970, 2410, 2524, 2620, 3155, 3940, 4820, 5048, 5240, 6310, 7880, 9640, 12620, 25240, 25807, 31571, 47477, 51614, 63142, 82661, 94954, 103228, 124307, 126284, 129035, 152071, 157855, 165322, 189908, 206456, 237385, 248614, 252568, 258070, 304142, 315710, 330644, 379816, 413305, 474770, 497228, 516140, 608284, 621535, 631420, 661288, 760355, 826610, 949540, 994456, 1032280, 1216568, 1243070, 1262840, 1520710, 1653220, 1899080, 2486140, 3041420, 3306440, 4972280, 6082840, 6219487, 12438974, 16284217, 19921301, 24877948, 29957987, 31097435, 32568434, 39842602, 49755896, 59915974, 62194870, 65136868, 79685204, 81421085, 99606505, 119831948, 124389740, 130273736, 149789935, 159370408, 162842170, 199213010, 239663896, 248779480, 299579870, 325684340, 398426020, 599159740, 651368680, 796852040, 1198319480, 3924496297, 7848992594, 15697985188, 19622481485, 31395970376, 39244962970, 78489925940, 156979851880]

約数ペア:

[(1, 156979851880), (2, 78489925940), (4, 39244962970), (5, 31395970376), (8, 19622481485), (10, 15697985188), (20, 7848992594), (40, 3924496297), (131, 1198319480), (197, 796852040), (241, 651368680), (262, 599159740), (394, 398426020), (482, 325684340), (524, 299579870), (631, 248779480), (655, 239663896), (788, 199213010), (964, 162842170), (985, 159370408), (1048, 149789935), (1205, 130273736), (1262, 124389740), (1310, 119831948), (1576, 99606505), (1928, 81421085), (1970, 79685204), (2410, 65136868), (2524, 62194870), (2620, 59915974), (3155, 49755896), (3940, 39842602), (4820, 32568434), (5048, 31097435), (5240, 29957987), (6310, 24877948), (7880, 19921301), (9640, 16284217), (12620, 12438974), (25240, 6219487), (25807, 6082840), (31571, 4972280), (47477, 3306440), (51614, 3041420), (63142, 2486140), (82661, 1899080), (94954, 1653220), (103228, 1520710), (124307, 1262840), (126284, 1243070), (129035, 1216568), (152071, 1032280), (157855, 994456), (165322, 949540), (189908, 826610), (206456, 760355), (237385, 661288), (248614, 631420), (252568, 621535), (258070, 608284), (304142, 516140), (315710, 497228), (330644, 474770), (379816, 413305)]