82810320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{887}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 257662080

約数和(自身を除く): 174851760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 887, 1167, 1556, 1774, 1945, 2334, 2661, 3112, 3548, 3890, 4435, 4668, 5322, 5835, 6224, 7096, 7780, 8870, 9336, 10644, 11670, 13305, 14192, 15560, 17740, 18672, 21288, 23340, 26610, 31120, 35480, 42576, 46680, 53220, 70960, 93360, 106440, 212880, 345043, 690086, 1035129, 1380172, 1725215, 2070258, 2760344, 3450430, 4140516, 5175645, 5520688, 6900860, 8281032, 10351290, 13801720, 16562064, 20702580, 27603440, 41405160, 82810320]

約数ペア:

[(1, 82810320), (2, 41405160), (3, 27603440), (4, 20702580), (5, 16562064), (6, 13801720), (8, 10351290), (10, 8281032), (12, 6900860), (15, 5520688), (16, 5175645), (20, 4140516), (24, 3450430), (30, 2760344), (40, 2070258), (48, 1725215), (60, 1380172), (80, 1035129), (120, 690086), (240, 345043), (389, 212880), (778, 106440), (887, 93360), (1167, 70960), (1556, 53220), (1774, 46680), (1945, 42576), (2334, 35480), (2661, 31120), (3112, 26610), (3548, 23340), (3890, 21288), (4435, 18672), (4668, 17740), (5322, 15560), (5835, 14192), (6224, 13305), (7096, 11670), (7780, 10644), (8870, 9336)]