138605460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1173

約数の個数: 96

約数和(自身を含む): 445089792

約数和(自身を除く): 306484332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 523, 631, 1046, 1262, 1569, 1893, 2092, 2524, 2615, 3138, 3155, 3661, 3786, 4417, 5230, 6276, 6310, 7322, 7572, 7845, 8834, 9465, 10460, 10983, 12620, 13251, 14644, 15690, 17668, 18305, 18930, 21966, 22085, 26502, 31380, 36610, 37860, 43932, 44170, 53004, 54915, 66255, 73220, 88340, 109830, 132510, 219660, 265020, 330013, 660026, 990039, 1320052, 1650065, 1980078, 2310091, 3300130, 3960156, 4620182, 4950195, 6600260, 6930273, 9240364, 9900390, 11550455, 13860546, 19800780, 23100910, 27721092, 34651365, 46201820, 69302730, 138605460]

約数ペア:

[(1, 138605460), (2, 69302730), (3, 46201820), (4, 34651365), (5, 27721092), (6, 23100910), (7, 19800780), (10, 13860546), (12, 11550455), (14, 9900390), (15, 9240364), (20, 6930273), (21, 6600260), (28, 4950195), (30, 4620182), (35, 3960156), (42, 3300130), (60, 2310091), (70, 1980078), (84, 1650065), (105, 1320052), (140, 990039), (210, 660026), (420, 330013), (523, 265020), (631, 219660), (1046, 132510), (1262, 109830), (1569, 88340), (1893, 73220), (2092, 66255), (2524, 54915), (2615, 53004), (3138, 44170), (3155, 43932), (3661, 37860), (3786, 36610), (4417, 31380), (5230, 26502), (6276, 22085), (6310, 21966), (7322, 18930), (7572, 18305), (7845, 17668), (8834, 15690), (9465, 14644), (10460, 13251), (10983, 12620)]