157996960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8161}}^1$

素因数の和:8198

約数の個数: 72

約数和(自身を含む): 410336388

約数和(自身を除く): 252339428

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 8161, 9680, 16322, 19360, 32644, 40805, 65288, 81610, 89771, 130576, 163220, 179542, 261152, 326440, 359084, 448855, 652880, 718168, 897710, 987481, 1305760, 1436336, 1795420, 1974962, 2872672, 3590840, 3949924, 4937405, 7181680, 7899848, 9874810, 14363360, 15799696, 19749620, 31599392, 39499240, 78998480, 157996960]

約数ペア:

[(1, 157996960), (2, 78998480), (4, 39499240), (5, 31599392), (8, 19749620), (10, 15799696), (11, 14363360), (16, 9874810), (20, 7899848), (22, 7181680), (32, 4937405), (40, 3949924), (44, 3590840), (55, 2872672), (80, 1974962), (88, 1795420), (110, 1436336), (121, 1305760), (160, 987481), (176, 897710), (220, 718168), (242, 652880), (352, 448855), (440, 359084), (484, 326440), (605, 261152), (880, 179542), (968, 163220), (1210, 130576), (1760, 89771), (1936, 81610), (2420, 65288), (3872, 40805), (4840, 32644), (8161, 19360), (9680, 16322)]