161720250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{3037}}^1$

素因数の和:3128

約数の個数: 64

約数和(自身を含む): 409473792

約数和(自身を除く): 247753542

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 125, 142, 150, 213, 250, 355, 375, 426, 710, 750, 1065, 1775, 2130, 3037, 3550, 5325, 6074, 8875, 9111, 10650, 15185, 17750, 18222, 26625, 30370, 45555, 53250, 75925, 91110, 151850, 215627, 227775, 379625, 431254, 455550, 646881, 759250, 1078135, 1138875, 1293762, 2156270, 2277750, 3234405, 5390675, 6468810, 10781350, 16172025, 26953375, 32344050, 53906750, 80860125, 161720250]

約数ペア:

[(1, 161720250), (2, 80860125), (3, 53906750), (5, 32344050), (6, 26953375), (10, 16172025), (15, 10781350), (25, 6468810), (30, 5390675), (50, 3234405), (71, 2277750), (75, 2156270), (125, 1293762), (142, 1138875), (150, 1078135), (213, 759250), (250, 646881), (355, 455550), (375, 431254), (426, 379625), (710, 227775), (750, 215627), (1065, 151850), (1775, 91110), (2130, 75925), (3037, 53250), (3550, 45555), (5325, 30370), (6074, 26625), (8875, 18222), (9111, 17750), (10650, 15185)]