640536240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{24943}}^1$

素因数の和:25066

約数の個数: 80

約数和(自身を含む): 2004300288

約数和(自身を除く): 1363764048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 5136, 6420, 8560, 12840, 24943, 25680, 49886, 74829, 99772, 124715, 149658, 199544, 249430, 299316, 374145, 399088, 498860, 598632, 748290, 997720, 1197264, 1496580, 1995440, 2668901, 2993160, 5337802, 5986320, 8006703, 10675604, 13344505, 16013406, 21351208, 26689010, 32026812, 40033515, 42702416, 53378020, 64053624, 80067030, 106756040, 128107248, 160134060, 213512080, 320268120, 640536240]

約数ペア:

[(1, 640536240), (2, 320268120), (3, 213512080), (4, 160134060), (5, 128107248), (6, 106756040), (8, 80067030), (10, 64053624), (12, 53378020), (15, 42702416), (16, 40033515), (20, 32026812), (24, 26689010), (30, 21351208), (40, 16013406), (48, 13344505), (60, 10675604), (80, 8006703), (107, 5986320), (120, 5337802), (214, 2993160), (240, 2668901), (321, 1995440), (428, 1496580), (535, 1197264), (642, 997720), (856, 748290), (1070, 598632), (1284, 498860), (1605, 399088), (1712, 374145), (2140, 299316), (2568, 249430), (3210, 199544), (4280, 149658), (5136, 124715), (6420, 99772), (8560, 74829), (12840, 49886), (24943, 25680)]