8666040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 26192160

約数和(自身を除く): 17526120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 281, 514, 562, 771, 843, 1028, 1124, 1285, 1405, 1542, 1686, 2056, 2248, 2570, 2810, 3084, 3372, 3855, 4215, 5140, 5620, 6168, 6744, 7710, 8430, 10280, 11240, 15420, 16860, 30840, 33720, 72217, 144434, 216651, 288868, 361085, 433302, 577736, 722170, 866604, 1083255, 1444340, 1733208, 2166510, 2888680, 4333020, 8666040]

約数ペア:

[(1, 8666040), (2, 4333020), (3, 2888680), (4, 2166510), (5, 1733208), (6, 1444340), (8, 1083255), (10, 866604), (12, 722170), (15, 577736), (20, 433302), (24, 361085), (30, 288868), (40, 216651), (60, 144434), (120, 72217), (257, 33720), (281, 30840), (514, 16860), (562, 15420), (771, 11240), (843, 10280), (1028, 8430), (1124, 7710), (1285, 6744), (1405, 6168), (1542, 5620), (1686, 5140), (2056, 4215), (2248, 3855), (2570, 3372), (2810, 3084)]