256171500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 906272640

約数和(自身を除く): 650101140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 29, 30, 36, 39, 45, 50, 52, 58, 60, 65, 75, 78, 87, 90, 100, 116, 117, 125, 130, 145, 150, 151, 156, 174, 180, 195, 225, 234, 250, 260, 261, 290, 300, 302, 325, 348, 375, 377, 390, 435, 450, 453, 468, 500, 522, 580, 585, 604, 650, 725, 750, 754, 755, 780, 870, 900, 906, 975, 1044, 1125, 1131, 1170, 1300, 1305, 1359, 1450, 1500, 1508, 1510, 1625, 1740, 1812, 1885, 1950, 1963, 2175, 2250, 2262, 2265, 2340, 2610, 2718, 2900, 2925, 3020, 3250, 3393, 3625, 3770, 3775, 3900, 3926, 4350, 4379, 4500, 4524, 4530, 4875, 5220, 5436, 5655, 5850, 5889, 6500, 6525, 6786, 6795, 7250, 7540, 7550, 7852, 8700, 8758, 9060, 9425, 9750, 9815, 10875, 11310, 11325, 11700, 11778, 13050, 13137, 13572, 13590, 14500, 14625, 15100, 16965, 17516, 17667, 18850, 18875, 19500, 19630, 21750, 21895, 22620, 22650, 23556, 26100, 26274, 27180, 28275, 29250, 29445, 32625, 33930, 33975, 35334, 37700, 37750, 39260, 39411, 43500, 43790, 45300, 47125, 49075, 52548, 56550, 56625, 56927, 58500, 58890, 65250, 65685, 67860, 67950, 70668, 75500, 78822, 84825, 87580, 88335, 94250, 98150, 109475, 113100, 113250, 113854, 117780, 130500, 131370, 135900, 141375, 147225, 157644, 169650, 169875, 170781, 176670, 188500, 196300, 197055, 218950, 226500, 227708, 245375, 262740, 282750, 284635, 294450, 328425, 339300, 339750, 341562, 353340, 394110, 424125, 437900, 441675, 490750, 512343, 547375, 565500, 569270, 588900, 656850, 679500, 683124, 736125, 788220, 848250, 853905, 883350, 981500, 985275, 1024686, 1094750, 1138540, 1313700, 1423175, 1472250, 1642125, 1696500, 1707810, 1766700, 1970550, 2049372, 2189500, 2208375, 2561715, 2846350, 2944500, 3284250, 3415620, 3941100, 4269525, 4416750, 4926375, 5123430, 5692700, 6568500, 7115875, 8539050, 8833500, 9852750, 10246860, 12808575, 14231750, 17078100, 19705500, 21347625, 25617150, 28463500, 42695250, 51234300, 64042875, 85390500, 128085750, 256171500]

約数ペア:

[(1, 256171500), (2, 128085750), (3, 85390500), (4, 64042875), (5, 51234300), (6, 42695250), (9, 28463500), (10, 25617150), (12, 21347625), (13, 19705500), (15, 17078100), (18, 14231750), (20, 12808575), (25, 10246860), (26, 9852750), (29, 8833500), (30, 8539050), (36, 7115875), (39, 6568500), (45, 5692700), (50, 5123430), (52, 4926375), (58, 4416750), (60, 4269525), (65, 3941100), (75, 3415620), (78, 3284250), (87, 2944500), (90, 2846350), (100, 2561715), (116, 2208375), (117, 2189500), (125, 2049372), (130, 1970550), (145, 1766700), (150, 1707810), (151, 1696500), (156, 1642125), (174, 1472250), (180, 1423175), (195, 1313700), (225, 1138540), (234, 1094750), (250, 1024686), (260, 985275), (261, 981500), (290, 883350), (300, 853905), (302, 848250), (325, 788220), (348, 736125), (375, 683124), (377, 679500), (390, 656850), (435, 588900), (450, 569270), (453, 565500), (468, 547375), (500, 512343), (522, 490750), (580, 441675), (585, 437900), (604, 424125), (650, 394110), (725, 353340), (750, 341562), (754, 339750), (755, 339300), (780, 328425), (870, 294450), (900, 284635), (906, 282750), (975, 262740), (1044, 245375), (1125, 227708), (1131, 226500), (1170, 218950), (1300, 197055), (1305, 196300), (1359, 188500), (1450, 176670), (1500, 170781), (1508, 169875), (1510, 169650), (1625, 157644), (1740, 147225), (1812, 141375), (1885, 135900), (1950, 131370), (1963, 130500), (2175, 117780), (2250, 113854), (2262, 113250), (2265, 113100), (2340, 109475), (2610, 98150), (2718, 94250), (2900, 88335), (2925, 87580), (3020, 84825), (3250, 78822), (3393, 75500), (3625, 70668), (3770, 67950), (3775, 67860), (3900, 65685), (3926, 65250), (4350, 58890), (4379, 58500), (4500, 56927), (4524, 56625), (4530, 56550), (4875, 52548), (5220, 49075), (5436, 47125), (5655, 45300), (5850, 43790), (5889, 43500), (6500, 39411), (6525, 39260), (6786, 37750), (6795, 37700), (7250, 35334), (7540, 33975), (7550, 33930), (7852, 32625), (8700, 29445), (8758, 29250), (9060, 28275), (9425, 27180), (9750, 26274), (9815, 26100), (10875, 23556), (11310, 22650), (11325, 22620), (11700, 21895), (11778, 21750), (13050, 19630), (13137, 19500), (13572, 18875), (13590, 18850), (14500, 17667), (14625, 17516), (15100, 16965)]