640923600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{12421}}^1$

素因数の和:12485

約数の個数: 120

約数和(自身を含む): 2101007392

約数和(自身を除く): 1460083792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 129, 150, 172, 200, 215, 240, 258, 300, 344, 400, 430, 516, 600, 645, 688, 860, 1032, 1075, 1200, 1290, 1720, 2064, 2150, 2580, 3225, 3440, 4300, 5160, 6450, 8600, 10320, 12421, 12900, 17200, 24842, 25800, 37263, 49684, 51600, 62105, 74526, 99368, 124210, 149052, 186315, 198736, 248420, 298104, 310525, 372630, 496840, 534103, 596208, 621050, 745260, 931575, 993680, 1068206, 1242100, 1490520, 1602309, 1863150, 2136412, 2484200, 2670515, 2981040, 3204618, 3726300, 4272824, 4968400, 5341030, 6409236, 7452600, 8011545, 8545648, 10682060, 12818472, 13352575, 14905200, 16023090, 21364120, 25636944, 26705150, 32046180, 40057725, 42728240, 53410300, 64092360, 80115450, 106820600, 128184720, 160230900, 213641200, 320461800, 640923600]

約数ペア:

[(1, 640923600), (2, 320461800), (3, 213641200), (4, 160230900), (5, 128184720), (6, 106820600), (8, 80115450), (10, 64092360), (12, 53410300), (15, 42728240), (16, 40057725), (20, 32046180), (24, 26705150), (25, 25636944), (30, 21364120), (40, 16023090), (43, 14905200), (48, 13352575), (50, 12818472), (60, 10682060), (75, 8545648), (80, 8011545), (86, 7452600), (100, 6409236), (120, 5341030), (129, 4968400), (150, 4272824), (172, 3726300), (200, 3204618), (215, 2981040), (240, 2670515), (258, 2484200), (300, 2136412), (344, 1863150), (400, 1602309), (430, 1490520), (516, 1242100), (600, 1068206), (645, 993680), (688, 931575), (860, 745260), (1032, 621050), (1075, 596208), (1200, 534103), (1290, 496840), (1720, 372630), (2064, 310525), (2150, 298104), (2580, 248420), (3225, 198736), (3440, 186315), (4300, 149052), (5160, 124210), (6450, 99368), (8600, 74526), (10320, 62105), (12421, 51600), (12900, 49684), (17200, 37263), (24842, 25800)]