156939382640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{88843}}^1$

素因数の和:89238

約数の個数: 80

約数和(自身を含む): 371217240576

約数和(自身を除く): 214277857936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 311, 355, 568, 622, 710, 1136, 1244, 1420, 1555, 2488, 2840, 3110, 4976, 5680, 6220, 12440, 22081, 24880, 44162, 88324, 88843, 110405, 176648, 177686, 220810, 353296, 355372, 441620, 444215, 710744, 883240, 888430, 1421488, 1766480, 1776860, 3553720, 6307853, 7107440, 12615706, 25231412, 27630173, 31539265, 50462824, 55260346, 63078530, 100925648, 110520692, 126157060, 138150865, 221041384, 252314120, 276301730, 442082768, 504628240, 552603460, 1105206920, 1961742283, 2210413840, 3923484566, 7846969132, 9808711415, 15693938264, 19617422830, 31387876528, 39234845660, 78469691320, 156939382640]

約数ペア:

[(1, 156939382640), (2, 78469691320), (4, 39234845660), (5, 31387876528), (8, 19617422830), (10, 15693938264), (16, 9808711415), (20, 7846969132), (40, 3923484566), (71, 2210413840), (80, 1961742283), (142, 1105206920), (284, 552603460), (311, 504628240), (355, 442082768), (568, 276301730), (622, 252314120), (710, 221041384), (1136, 138150865), (1244, 126157060), (1420, 110520692), (1555, 100925648), (2488, 63078530), (2840, 55260346), (3110, 50462824), (4976, 31539265), (5680, 27630173), (6220, 25231412), (12440, 12615706), (22081, 7107440), (24880, 6307853), (44162, 3553720), (88324, 1776860), (88843, 1766480), (110405, 1421488), (176648, 888430), (177686, 883240), (220810, 710744), (353296, 444215), (355372, 441620)]