128712456

素因数分解:

$2^3\times 3^3\times {\mathrm{179}}^1\times {\mathrm{3329}}^1$

素因数の和:3523

約数の個数: 64

約数和(自身を含む): 359640000

約数和(自身を除く): 230927544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 179, 216, 358, 537, 716, 1074, 1432, 1611, 2148, 3222, 3329, 4296, 4833, 6444, 6658, 9666, 9987, 12888, 13316, 19332, 19974, 26632, 29961, 38664, 39948, 59922, 79896, 89883, 119844, 179766, 239688, 359532, 595891, 719064, 1191782, 1787673, 2383564, 3575346, 4767128, 5363019, 7150692, 10726038, 14301384, 16089057, 21452076, 32178114, 42904152, 64356228, 128712456]

約数ペア:

[(1, 128712456), (2, 64356228), (3, 42904152), (4, 32178114), (6, 21452076), (8, 16089057), (9, 14301384), (12, 10726038), (18, 7150692), (24, 5363019), (27, 4767128), (36, 3575346), (54, 2383564), (72, 1787673), (108, 1191782), (179, 719064), (216, 595891), (358, 359532), (537, 239688), (716, 179766), (1074, 119844), (1432, 89883), (1611, 79896), (2148, 59922), (3222, 39948), (3329, 38664), (4296, 29961), (4833, 26632), (6444, 19974), (6658, 19332), (9666, 13316), (9987, 12888)]