61403880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2141}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 185068800

約数和(自身を除く): 123664920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2141, 2390, 2868, 3585, 4282, 4780, 5736, 6423, 7170, 8564, 9560, 10705, 12846, 14340, 17128, 21410, 25692, 28680, 32115, 42820, 51384, 64230, 85640, 128460, 256920, 511699, 1023398, 1535097, 2046796, 2558495, 3070194, 4093592, 5116990, 6140388, 7675485, 10233980, 12280776, 15350970, 20467960, 30701940, 61403880]

約数ペア:

[(1, 61403880), (2, 30701940), (3, 20467960), (4, 15350970), (5, 12280776), (6, 10233980), (8, 7675485), (10, 6140388), (12, 5116990), (15, 4093592), (20, 3070194), (24, 2558495), (30, 2046796), (40, 1535097), (60, 1023398), (120, 511699), (239, 256920), (478, 128460), (717, 85640), (956, 64230), (1195, 51384), (1434, 42820), (1912, 32115), (2141, 28680), (2390, 25692), (2868, 21410), (3585, 17128), (4282, 14340), (4780, 12846), (5736, 10705), (6423, 9560), (7170, 8564)]