66555760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 163418112

約数和(自身を除く): 96862352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 571, 620, 752, 940, 1142, 1240, 1457, 1880, 2284, 2480, 2855, 2914, 3760, 4568, 5710, 5828, 7285, 9136, 11420, 11656, 14570, 17701, 22840, 23312, 26837, 29140, 35402, 45680, 53674, 58280, 70804, 88505, 107348, 116560, 134185, 141608, 177010, 214696, 268370, 283216, 354020, 429392, 536740, 708040, 831947, 1073480, 1416080, 1663894, 2146960, 3327788, 4159735, 6655576, 8319470, 13311152, 16638940, 33277880, 66555760]

約数ペア:

[(1, 66555760), (2, 33277880), (4, 16638940), (5, 13311152), (8, 8319470), (10, 6655576), (16, 4159735), (20, 3327788), (31, 2146960), (40, 1663894), (47, 1416080), (62, 1073480), (80, 831947), (94, 708040), (124, 536740), (155, 429392), (188, 354020), (235, 283216), (248, 268370), (310, 214696), (376, 177010), (470, 141608), (496, 134185), (571, 116560), (620, 107348), (752, 88505), (940, 70804), (1142, 58280), (1240, 53674), (1457, 45680), (1880, 35402), (2284, 29140), (2480, 26837), (2855, 23312), (2914, 22840), (3760, 17701), (4568, 14570), (5710, 11656), (5828, 11420), (7285, 9136)]