287492520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2297}}^1$

素因数の和:2467

約数の個数: 128

約数和(自身を含む): 992736000

約数和(自身を除く): 705243480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1788, 2086, 2235, 2297, 2980, 3129, 3576, 4172, 4470, 4594, 5215, 5960, 6258, 6891, 8344, 8940, 9188, 10430, 11485, 12516, 13782, 15645, 16079, 17880, 18376, 20860, 22970, 25032, 27564, 31290, 32158, 34455, 41720, 45940, 48237, 55128, 62580, 64316, 68910, 80395, 91880, 96474, 125160, 128632, 137820, 160790, 192948, 241185, 275640, 321580, 342253, 385896, 482370, 643160, 684506, 964740, 1026759, 1369012, 1711265, 1929480, 2053518, 2395771, 2738024, 3422530, 4107036, 4791542, 5133795, 6845060, 7187313, 8214072, 9583084, 10267590, 11978855, 13690120, 14374626, 19166168, 20535180, 23957710, 28749252, 35936565, 41070360, 47915420, 57498504, 71873130, 95830840, 143746260, 287492520]

約数ペア:

[(1, 287492520), (2, 143746260), (3, 95830840), (4, 71873130), (5, 57498504), (6, 47915420), (7, 41070360), (8, 35936565), (10, 28749252), (12, 23957710), (14, 20535180), (15, 19166168), (20, 14374626), (21, 13690120), (24, 11978855), (28, 10267590), (30, 9583084), (35, 8214072), (40, 7187313), (42, 6845060), (56, 5133795), (60, 4791542), (70, 4107036), (84, 3422530), (105, 2738024), (120, 2395771), (140, 2053518), (149, 1929480), (168, 1711265), (210, 1369012), (280, 1026759), (298, 964740), (420, 684506), (447, 643160), (596, 482370), (745, 385896), (840, 342253), (894, 321580), (1043, 275640), (1192, 241185), (1490, 192948), (1788, 160790), (2086, 137820), (2235, 128632), (2297, 125160), (2980, 96474), (3129, 91880), (3576, 80395), (4172, 68910), (4470, 64316), (4594, 62580), (5215, 55128), (5960, 48237), (6258, 45940), (6891, 41720), (8344, 34455), (8940, 32158), (9188, 31290), (10430, 27564), (11485, 25032), (12516, 22970), (13782, 20860), (15645, 18376), (16079, 17880)]