81299360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 204083712

約数和(自身を除く): 122784352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 443, 496, 592, 620, 740, 886, 992, 1147, 1184, 1240, 1480, 1772, 2215, 2294, 2480, 2960, 3544, 4430, 4588, 4960, 5735, 5920, 7088, 8860, 9176, 11470, 13733, 14176, 16391, 17720, 18352, 22940, 27466, 32782, 35440, 36704, 45880, 54932, 65564, 68665, 70880, 81955, 91760, 109864, 131128, 137330, 163910, 183520, 219728, 262256, 274660, 327820, 439456, 508121, 524512, 549320, 655640, 1016242, 1098640, 1311280, 2032484, 2197280, 2540605, 2622560, 4064968, 5081210, 8129936, 10162420, 16259872, 20324840, 40649680, 81299360]

約数ペア:

[(1, 81299360), (2, 40649680), (4, 20324840), (5, 16259872), (8, 10162420), (10, 8129936), (16, 5081210), (20, 4064968), (31, 2622560), (32, 2540605), (37, 2197280), (40, 2032484), (62, 1311280), (74, 1098640), (80, 1016242), (124, 655640), (148, 549320), (155, 524512), (160, 508121), (185, 439456), (248, 327820), (296, 274660), (310, 262256), (370, 219728), (443, 183520), (496, 163910), (592, 137330), (620, 131128), (740, 109864), (886, 91760), (992, 81955), (1147, 70880), (1184, 68665), (1240, 65564), (1480, 54932), (1772, 45880), (2215, 36704), (2294, 35440), (2480, 32782), (2960, 27466), (3544, 22940), (4430, 18352), (4588, 17720), (4960, 16391), (5735, 14176), (5920, 13733), (7088, 11470), (8860, 9176)]