287898660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7879}}^1$

素因数の和:7930

約数の個数: 144

約数和(自身を含む): 1032595200

約数和(自身を除く): 744696540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5220, 6090, 7308, 7879, 9135, 12180, 15758, 18270, 23637, 31516, 36540, 39395, 47274, 55153, 70911, 78790, 94548, 110306, 118185, 141822, 157580, 165459, 220612, 228491, 236370, 275765, 283644, 330918, 354555, 456982, 472740, 496377, 551530, 661836, 685473, 709110, 827295, 913964, 992754, 1103060, 1142455, 1370946, 1418220, 1599437, 1654590, 1985508, 2056419, 2284910, 2481885, 2741892, 3198874, 3309180, 3427365, 4112838, 4569820, 4798311, 4963770, 6397748, 6854730, 7997185, 8225676, 9596622, 9927540, 10282095, 13709460, 14394933, 15994370, 19193244, 20564190, 23991555, 28789866, 31988740, 41128380, 47983110, 57579732, 71974665, 95966220, 143949330, 287898660]

約数ペア:

[(1, 287898660), (2, 143949330), (3, 95966220), (4, 71974665), (5, 57579732), (6, 47983110), (7, 41128380), (9, 31988740), (10, 28789866), (12, 23991555), (14, 20564190), (15, 19193244), (18, 15994370), (20, 14394933), (21, 13709460), (28, 10282095), (29, 9927540), (30, 9596622), (35, 8225676), (36, 7997185), (42, 6854730), (45, 6397748), (58, 4963770), (60, 4798311), (63, 4569820), (70, 4112838), (84, 3427365), (87, 3309180), (90, 3198874), (105, 2741892), (116, 2481885), (126, 2284910), (140, 2056419), (145, 1985508), (174, 1654590), (180, 1599437), (203, 1418220), (210, 1370946), (252, 1142455), (261, 1103060), (290, 992754), (315, 913964), (348, 827295), (406, 709110), (420, 685473), (435, 661836), (522, 551530), (580, 496377), (609, 472740), (630, 456982), (812, 354555), (870, 330918), (1015, 283644), (1044, 275765), (1218, 236370), (1260, 228491), (1305, 220612), (1740, 165459), (1827, 157580), (2030, 141822), (2436, 118185), (2610, 110306), (3045, 94548), (3654, 78790), (4060, 70911), (5220, 55153), (6090, 47274), (7308, 39395), (7879, 36540), (9135, 31516), (12180, 23637), (15758, 18270)]