1268931760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:4022

約数の個数: 80

約数和(自身を含む): 3044171232

約数和(自身を除く): 1775239472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 67, 80, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 976, 1072, 1220, 1340, 2440, 2680, 3881, 4087, 4880, 5360, 7762, 8174, 15524, 16348, 19405, 20435, 31048, 32696, 38810, 40870, 62096, 65392, 77620, 81740, 155240, 163480, 236741, 260027, 310480, 326960, 473482, 520054, 946964, 1040108, 1183705, 1300135, 1893928, 2080216, 2367410, 2600270, 3787856, 4160432, 4734820, 5200540, 9469640, 10401080, 15861647, 18939280, 20802160, 31723294, 63446588, 79308235, 126893176, 158616470, 253786352, 317232940, 634465880, 1268931760]

約数ペア:

[(1, 1268931760), (2, 634465880), (4, 317232940), (5, 253786352), (8, 158616470), (10, 126893176), (16, 79308235), (20, 63446588), (40, 31723294), (61, 20802160), (67, 18939280), (80, 15861647), (122, 10401080), (134, 9469640), (244, 5200540), (268, 4734820), (305, 4160432), (335, 3787856), (488, 2600270), (536, 2367410), (610, 2080216), (670, 1893928), (976, 1300135), (1072, 1183705), (1220, 1040108), (1340, 946964), (2440, 520054), (2680, 473482), (3881, 326960), (4087, 310480), (4880, 260027), (5360, 236741), (7762, 163480), (8174, 155240), (15524, 81740), (16348, 77620), (19405, 65392), (20435, 62096), (31048, 40870), (32696, 38810)]