81485550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{7873}}^1$

素因数の和:7914

約数の個数: 72

約数和(自身を含む): 228471984

約数和(自身を除く): 146986434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 2070, 3450, 5175, 7873, 10350, 15746, 23619, 39365, 47238, 70857, 78730, 118095, 141714, 181079, 196825, 236190, 354285, 362158, 393650, 543237, 590475, 708570, 905395, 1086474, 1180950, 1629711, 1771425, 1810790, 2716185, 3259422, 3542850, 4526975, 5432370, 8148555, 9053950, 13580925, 16297110, 27161850, 40742775, 81485550]

約数ペア:

[(1, 81485550), (2, 40742775), (3, 27161850), (5, 16297110), (6, 13580925), (9, 9053950), (10, 8148555), (15, 5432370), (18, 4526975), (23, 3542850), (25, 3259422), (30, 2716185), (45, 1810790), (46, 1771425), (50, 1629711), (69, 1180950), (75, 1086474), (90, 905395), (115, 708570), (138, 590475), (150, 543237), (207, 393650), (225, 362158), (230, 354285), (345, 236190), (414, 196825), (450, 181079), (575, 141714), (690, 118095), (1035, 78730), (1150, 70857), (1725, 47238), (2070, 39365), (3450, 23619), (5175, 15746), (7873, 10350)]