85040520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2141}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 256011840

約数和(自身を除く): 170971320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2141, 2648, 3310, 3972, 4282, 4965, 6423, 6620, 7944, 8564, 9930, 10705, 12846, 13240, 17128, 19860, 21410, 25692, 32115, 39720, 42820, 51384, 64230, 85640, 128460, 256920, 708671, 1417342, 2126013, 2834684, 3543355, 4252026, 5669368, 7086710, 8504052, 10630065, 14173420, 17008104, 21260130, 28346840, 42520260, 85040520]

約数ペア:

[(1, 85040520), (2, 42520260), (3, 28346840), (4, 21260130), (5, 17008104), (6, 14173420), (8, 10630065), (10, 8504052), (12, 7086710), (15, 5669368), (20, 4252026), (24, 3543355), (30, 2834684), (40, 2126013), (60, 1417342), (120, 708671), (331, 256920), (662, 128460), (993, 85640), (1324, 64230), (1655, 51384), (1986, 42820), (2141, 39720), (2648, 32115), (3310, 25692), (3972, 21410), (4282, 19860), (4965, 17128), (6423, 13240), (6620, 12846), (7944, 10705), (8564, 9930)]