2657323480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{155581}}^1$

素因数の和:155660

約数の個数: 64

約数和(自身を含む): 6945180480

約数和(自身を除く): 4287857000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 155581, 311162, 622324, 777905, 1089067, 1244648, 1555810, 2178134, 3111620, 4356268, 5445335, 6223240, 8712536, 9490441, 10890670, 18980882, 21781340, 37961764, 43562680, 47452205, 66433087, 75923528, 94904410, 132866174, 189808820, 265732348, 332165435, 379617640, 531464696, 664330870, 1328661740, 2657323480]

約数ペア:

[(1, 2657323480), (2, 1328661740), (4, 664330870), (5, 531464696), (7, 379617640), (8, 332165435), (10, 265732348), (14, 189808820), (20, 132866174), (28, 94904410), (35, 75923528), (40, 66433087), (56, 47452205), (61, 43562680), (70, 37961764), (122, 21781340), (140, 18980882), (244, 10890670), (280, 9490441), (305, 8712536), (427, 6223240), (488, 5445335), (610, 4356268), (854, 3111620), (1220, 2178134), (1708, 1555810), (2135, 1244648), (2440, 1089067), (3416, 777905), (4270, 622324), (8540, 311162), (17080, 155581)]