160511920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 386591328

約数和(自身を除く): 226079408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 211, 257, 296, 370, 422, 514, 592, 740, 844, 1028, 1055, 1285, 1480, 1688, 2056, 2110, 2570, 2960, 3376, 4112, 4220, 5140, 7807, 8440, 9509, 10280, 15614, 16880, 19018, 20560, 31228, 38036, 39035, 47545, 54227, 62456, 76072, 78070, 95090, 108454, 124912, 152144, 156140, 190180, 216908, 271135, 312280, 380360, 433816, 542270, 624560, 760720, 867632, 1084540, 2006399, 2169080, 4012798, 4338160, 8025596, 10031995, 16051192, 20063990, 32102384, 40127980, 80255960, 160511920]

約数ペア:

[(1, 160511920), (2, 80255960), (4, 40127980), (5, 32102384), (8, 20063990), (10, 16051192), (16, 10031995), (20, 8025596), (37, 4338160), (40, 4012798), (74, 2169080), (80, 2006399), (148, 1084540), (185, 867632), (211, 760720), (257, 624560), (296, 542270), (370, 433816), (422, 380360), (514, 312280), (592, 271135), (740, 216908), (844, 190180), (1028, 156140), (1055, 152144), (1285, 124912), (1480, 108454), (1688, 95090), (2056, 78070), (2110, 76072), (2570, 62456), (2960, 54227), (3376, 47545), (4112, 39035), (4220, 38036), (5140, 31228), (7807, 20560), (8440, 19018), (9509, 16880), (10280, 15614)]