81259500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 276756480

約数和(自身を除く): 195496980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 109, 125, 140, 142, 150, 175, 210, 213, 218, 250, 284, 300, 327, 350, 355, 375, 420, 426, 436, 497, 500, 525, 545, 654, 700, 710, 750, 763, 852, 875, 994, 1050, 1065, 1090, 1308, 1420, 1491, 1500, 1526, 1635, 1750, 1775, 1988, 2100, 2130, 2180, 2289, 2485, 2625, 2725, 2982, 3052, 3270, 3500, 3550, 3815, 4260, 4578, 4970, 5250, 5325, 5450, 5964, 6540, 7100, 7455, 7630, 7739, 8175, 8875, 9156, 9940, 10500, 10650, 10900, 11445, 12425, 13625, 14910, 15260, 15478, 16350, 17750, 19075, 21300, 22890, 23217, 24850, 26625, 27250, 29820, 30956, 32700, 35500, 37275, 38150, 38695, 40875, 45780, 46434, 49700, 53250, 54173, 54500, 57225, 62125, 74550, 76300, 77390, 81750, 92868, 95375, 106500, 108346, 114450, 116085, 124250, 149100, 154780, 162519, 163500, 186375, 190750, 193475, 216692, 228900, 232170, 248500, 270865, 286125, 325038, 372750, 381500, 386950, 464340, 541730, 572250, 580425, 650076, 745500, 773900, 812595, 967375, 1083460, 1144500, 1160850, 1354325, 1625190, 1934750, 2321700, 2708650, 2902125, 3250380, 3869500, 4062975, 5417300, 5804250, 6771625, 8125950, 11608500, 13543250, 16251900, 20314875, 27086500, 40629750, 81259500]

約数ペア:

[(1, 81259500), (2, 40629750), (3, 27086500), (4, 20314875), (5, 16251900), (6, 13543250), (7, 11608500), (10, 8125950), (12, 6771625), (14, 5804250), (15, 5417300), (20, 4062975), (21, 3869500), (25, 3250380), (28, 2902125), (30, 2708650), (35, 2321700), (42, 1934750), (50, 1625190), (60, 1354325), (70, 1160850), (71, 1144500), (75, 1083460), (84, 967375), (100, 812595), (105, 773900), (109, 745500), (125, 650076), (140, 580425), (142, 572250), (150, 541730), (175, 464340), (210, 386950), (213, 381500), (218, 372750), (250, 325038), (284, 286125), (300, 270865), (327, 248500), (350, 232170), (355, 228900), (375, 216692), (420, 193475), (426, 190750), (436, 186375), (497, 163500), (500, 162519), (525, 154780), (545, 149100), (654, 124250), (700, 116085), (710, 114450), (750, 108346), (763, 106500), (852, 95375), (875, 92868), (994, 81750), (1050, 77390), (1065, 76300), (1090, 74550), (1308, 62125), (1420, 57225), (1491, 54500), (1500, 54173), (1526, 53250), (1635, 49700), (1750, 46434), (1775, 45780), (1988, 40875), (2100, 38695), (2130, 38150), (2180, 37275), (2289, 35500), (2485, 32700), (2625, 30956), (2725, 29820), (2982, 27250), (3052, 26625), (3270, 24850), (3500, 23217), (3550, 22890), (3815, 21300), (4260, 19075), (4578, 17750), (4970, 16350), (5250, 15478), (5325, 15260), (5450, 14910), (5964, 13625), (6540, 12425), (7100, 11445), (7455, 10900), (7630, 10650), (7739, 10500), (8175, 9940), (8875, 9156)]