81042750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 221457600

約数和(自身を除く): 140414850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 181, 199, 225, 250, 362, 375, 398, 450, 543, 597, 750, 905, 995, 1086, 1125, 1194, 1629, 1791, 1810, 1990, 2250, 2715, 2985, 3258, 3582, 4525, 4975, 5430, 5970, 8145, 8955, 9050, 9950, 13575, 14925, 16290, 17910, 22625, 24875, 27150, 29850, 36019, 40725, 44775, 45250, 49750, 67875, 72038, 74625, 81450, 89550, 108057, 135750, 149250, 180095, 203625, 216114, 223875, 324171, 360190, 407250, 447750, 540285, 648342, 900475, 1080570, 1620855, 1800950, 2701425, 3241710, 4502375, 5402850, 8104275, 9004750, 13507125, 16208550, 27014250, 40521375, 81042750]

約数ペア:

[(1, 81042750), (2, 40521375), (3, 27014250), (5, 16208550), (6, 13507125), (9, 9004750), (10, 8104275), (15, 5402850), (18, 4502375), (25, 3241710), (30, 2701425), (45, 1800950), (50, 1620855), (75, 1080570), (90, 900475), (125, 648342), (150, 540285), (181, 447750), (199, 407250), (225, 360190), (250, 324171), (362, 223875), (375, 216114), (398, 203625), (450, 180095), (543, 149250), (597, 135750), (750, 108057), (905, 89550), (995, 81450), (1086, 74625), (1125, 72038), (1194, 67875), (1629, 49750), (1791, 45250), (1810, 44775), (1990, 40725), (2250, 36019), (2715, 29850), (2985, 27150), (3258, 24875), (3582, 22625), (4525, 17910), (4975, 16290), (5430, 14925), (5970, 13575), (8145, 9950), (8955, 9050)]