81520608

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 96

約数和(自身を含む): 233525376

約数和(自身を除く): 152004768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 83, 96, 104, 156, 166, 208, 249, 312, 332, 416, 498, 624, 664, 787, 996, 1079, 1248, 1328, 1574, 1992, 2158, 2361, 2656, 3148, 3237, 3984, 4316, 4722, 6296, 6474, 7968, 8632, 9444, 10231, 12592, 12948, 17264, 18888, 20462, 25184, 25896, 30693, 34528, 37776, 40924, 51792, 61386, 65321, 75552, 81848, 103584, 122772, 130642, 163696, 195963, 245544, 261284, 327392, 391926, 491088, 522568, 783852, 849173, 982176, 1045136, 1567704, 1698346, 2090272, 2547519, 3135408, 3396692, 5095038, 6270816, 6793384, 10190076, 13586768, 20380152, 27173536, 40760304, 81520608]

約数ペア:

[(1, 81520608), (2, 40760304), (3, 27173536), (4, 20380152), (6, 13586768), (8, 10190076), (12, 6793384), (13, 6270816), (16, 5095038), (24, 3396692), (26, 3135408), (32, 2547519), (39, 2090272), (48, 1698346), (52, 1567704), (78, 1045136), (83, 982176), (96, 849173), (104, 783852), (156, 522568), (166, 491088), (208, 391926), (249, 327392), (312, 261284), (332, 245544), (416, 195963), (498, 163696), (624, 130642), (664, 122772), (787, 103584), (996, 81848), (1079, 75552), (1248, 65321), (1328, 61386), (1574, 51792), (1992, 40924), (2158, 37776), (2361, 34528), (2656, 30693), (3148, 25896), (3237, 25184), (3984, 20462), (4316, 18888), (4722, 17264), (6296, 12948), (6474, 12592), (7968, 10231), (8632, 9444)]