81142500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 244921600

約数和(自身を除く): 163779100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 300, 310, 349, 372, 375, 465, 500, 620, 625, 698, 750, 775, 930, 1047, 1250, 1396, 1500, 1550, 1745, 1860, 1875, 2094, 2325, 2500, 3100, 3490, 3750, 3875, 4188, 4650, 5235, 6980, 7500, 7750, 8725, 9300, 10470, 10819, 11625, 15500, 17450, 19375, 20940, 21638, 23250, 26175, 32457, 34900, 38750, 43276, 43625, 46500, 52350, 54095, 58125, 64914, 77500, 87250, 104700, 108190, 116250, 129828, 130875, 162285, 174500, 216380, 218125, 232500, 261750, 270475, 324570, 436250, 523500, 540950, 649140, 654375, 811425, 872500, 1081900, 1308750, 1352375, 1622850, 2617500, 2704750, 3245700, 4057125, 5409500, 6761875, 8114250, 13523750, 16228500, 20285625, 27047500, 40571250, 81142500]

約数ペア:

[(1, 81142500), (2, 40571250), (3, 27047500), (4, 20285625), (5, 16228500), (6, 13523750), (10, 8114250), (12, 6761875), (15, 5409500), (20, 4057125), (25, 3245700), (30, 2704750), (31, 2617500), (50, 1622850), (60, 1352375), (62, 1308750), (75, 1081900), (93, 872500), (100, 811425), (124, 654375), (125, 649140), (150, 540950), (155, 523500), (186, 436250), (250, 324570), (300, 270475), (310, 261750), (349, 232500), (372, 218125), (375, 216380), (465, 174500), (500, 162285), (620, 130875), (625, 129828), (698, 116250), (750, 108190), (775, 104700), (930, 87250), (1047, 77500), (1250, 64914), (1396, 58125), (1500, 54095), (1550, 52350), (1745, 46500), (1860, 43625), (1875, 43276), (2094, 38750), (2325, 34900), (2500, 32457), (3100, 26175), (3490, 23250), (3750, 21638), (3875, 20940), (4188, 19375), (4650, 17450), (5235, 15500), (6980, 11625), (7500, 10819), (7750, 10470), (8725, 9300)]