61577620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 143952984

約数和(自身を除く): 82375364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 173, 185, 260, 346, 370, 481, 692, 740, 865, 962, 1369, 1730, 1924, 2249, 2405, 2738, 3460, 4498, 4810, 5476, 6401, 6845, 8996, 9620, 11245, 12802, 13690, 17797, 22490, 25604, 27380, 32005, 35594, 44980, 64010, 71188, 83213, 88985, 128020, 166426, 177970, 236837, 332852, 355940, 416065, 473674, 832130, 947348, 1184185, 1664260, 2368370, 3078881, 4736740, 6157762, 12315524, 15394405, 30788810, 61577620]

約数ペア:

[(1, 61577620), (2, 30788810), (4, 15394405), (5, 12315524), (10, 6157762), (13, 4736740), (20, 3078881), (26, 2368370), (37, 1664260), (52, 1184185), (65, 947348), (74, 832130), (130, 473674), (148, 416065), (173, 355940), (185, 332852), (260, 236837), (346, 177970), (370, 166426), (481, 128020), (692, 88985), (740, 83213), (865, 71188), (962, 64010), (1369, 44980), (1730, 35594), (1924, 32005), (2249, 27380), (2405, 25604), (2738, 22490), (3460, 17797), (4498, 13690), (4810, 12802), (5476, 11245), (6401, 9620), (6845, 8996)]