8021520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:889

約数の個数: 120

約数和(自身を含む): 29045016

約数和(自身を除く): 21023496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 857, 936, 1040, 1170, 1560, 1714, 1872, 2340, 2571, 3120, 3428, 4285, 4680, 5142, 6856, 7713, 8570, 9360, 10284, 11141, 12855, 13712, 15426, 17140, 20568, 22282, 25710, 30852, 33423, 34280, 38565, 41136, 44564, 51420, 55705, 61704, 66846, 68560, 77130, 89128, 100269, 102840, 111410, 123408, 133692, 154260, 167115, 178256, 200538, 205680, 222820, 267384, 308520, 334230, 401076, 445640, 501345, 534768, 617040, 668460, 802152, 891280, 1002690, 1336920, 1604304, 2005380, 2673840, 4010760, 8021520]

約数ペア:

[(1, 8021520), (2, 4010760), (3, 2673840), (4, 2005380), (5, 1604304), (6, 1336920), (8, 1002690), (9, 891280), (10, 802152), (12, 668460), (13, 617040), (15, 534768), (16, 501345), (18, 445640), (20, 401076), (24, 334230), (26, 308520), (30, 267384), (36, 222820), (39, 205680), (40, 200538), (45, 178256), (48, 167115), (52, 154260), (60, 133692), (65, 123408), (72, 111410), (78, 102840), (80, 100269), (90, 89128), (104, 77130), (117, 68560), (120, 66846), (130, 61704), (144, 55705), (156, 51420), (180, 44564), (195, 41136), (208, 38565), (234, 34280), (240, 33423), (260, 30852), (312, 25710), (360, 22282), (390, 20568), (468, 17140), (520, 15426), (585, 13712), (624, 12855), (720, 11141), (780, 10284), (857, 9360), (936, 8570), (1040, 7713), (1170, 6856), (1560, 5142), (1714, 4680), (1872, 4285), (2340, 3428), (2571, 3120)]