66438400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1516

約数の個数: 108

約数和(自身を含む): 188064352

約数和(自身を除く): 121625952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1483, 1600, 1792, 2240, 2800, 2966, 3200, 4480, 5600, 5932, 6400, 7415, 8960, 10381, 11200, 11864, 14830, 20762, 22400, 23728, 29660, 37075, 41524, 44800, 47456, 51905, 59320, 74150, 83048, 94912, 103810, 118640, 148300, 166096, 189824, 207620, 237280, 259525, 296600, 332192, 379648, 415240, 474560, 519050, 593200, 664384, 830480, 949120, 1038100, 1186400, 1328768, 1660960, 1898240, 2076200, 2372800, 2657536, 3321920, 4152400, 4745600, 6643840, 8304800, 9491200, 13287680, 16609600, 33219200, 66438400]

約数ペア:

[(1, 66438400), (2, 33219200), (4, 16609600), (5, 13287680), (7, 9491200), (8, 8304800), (10, 6643840), (14, 4745600), (16, 4152400), (20, 3321920), (25, 2657536), (28, 2372800), (32, 2076200), (35, 1898240), (40, 1660960), (50, 1328768), (56, 1186400), (64, 1038100), (70, 949120), (80, 830480), (100, 664384), (112, 593200), (128, 519050), (140, 474560), (160, 415240), (175, 379648), (200, 332192), (224, 296600), (256, 259525), (280, 237280), (320, 207620), (350, 189824), (400, 166096), (448, 148300), (560, 118640), (640, 103810), (700, 94912), (800, 83048), (896, 74150), (1120, 59320), (1280, 51905), (1400, 47456), (1483, 44800), (1600, 41524), (1792, 37075), (2240, 29660), (2800, 23728), (2966, 22400), (3200, 20762), (4480, 14830), (5600, 11864), (5932, 11200), (6400, 10381), (7415, 8960)]