85480740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1987}}^1$

素因数の和:2241

約数の個数: 72

約数和(自身を含む): 260507520

約数和(自身を除く): 175026780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1987, 2151, 2390, 2868, 3585, 3974, 4302, 4780, 5961, 7170, 7948, 8604, 9935, 10755, 11922, 14340, 17883, 19870, 21510, 23844, 29805, 35766, 39740, 43020, 59610, 71532, 89415, 119220, 178830, 357660, 474893, 949786, 1424679, 1899572, 2374465, 2849358, 4274037, 4748930, 5698716, 7123395, 8548074, 9497860, 14246790, 17096148, 21370185, 28493580, 42740370, 85480740]

約数ペア:

[(1, 85480740), (2, 42740370), (3, 28493580), (4, 21370185), (5, 17096148), (6, 14246790), (9, 9497860), (10, 8548074), (12, 7123395), (15, 5698716), (18, 4748930), (20, 4274037), (30, 2849358), (36, 2374465), (45, 1899572), (60, 1424679), (90, 949786), (180, 474893), (239, 357660), (478, 178830), (717, 119220), (956, 89415), (1195, 71532), (1434, 59610), (1987, 43020), (2151, 39740), (2390, 35766), (2868, 29805), (3585, 23844), (3974, 21510), (4302, 19870), (4780, 17883), (5961, 14340), (7170, 11922), (7948, 10755), (8604, 9935)]