280871040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:870

約数の個数: 128

約数和(自身を含む): 900472320

約数和(自身を除く): 619601280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 241, 320, 384, 480, 482, 607, 640, 723, 960, 964, 1205, 1214, 1446, 1821, 1920, 1928, 2410, 2428, 2892, 3035, 3615, 3642, 3856, 4820, 4856, 5784, 6070, 7230, 7284, 7712, 9105, 9640, 9712, 11568, 12140, 14460, 14568, 15424, 18210, 19280, 19424, 23136, 24280, 28920, 29136, 30848, 36420, 38560, 38848, 46272, 48560, 57840, 58272, 72840, 77120, 77696, 92544, 97120, 115680, 116544, 145680, 146287, 154240, 194240, 231360, 233088, 291360, 292574, 388480, 438861, 462720, 582720, 585148, 731435, 877722, 1165440, 1170296, 1462870, 1755444, 2194305, 2340592, 2925740, 3510888, 4388610, 4681184, 5851480, 7021776, 8777220, 9362368, 11702960, 14043552, 17554440, 18724736, 23405920, 28087104, 35108880, 46811840, 56174208, 70217760, 93623680, 140435520, 280871040]

約数ペア:

[(1, 280871040), (2, 140435520), (3, 93623680), (4, 70217760), (5, 56174208), (6, 46811840), (8, 35108880), (10, 28087104), (12, 23405920), (15, 18724736), (16, 17554440), (20, 14043552), (24, 11702960), (30, 9362368), (32, 8777220), (40, 7021776), (48, 5851480), (60, 4681184), (64, 4388610), (80, 3510888), (96, 2925740), (120, 2340592), (128, 2194305), (160, 1755444), (192, 1462870), (240, 1170296), (241, 1165440), (320, 877722), (384, 731435), (480, 585148), (482, 582720), (607, 462720), (640, 438861), (723, 388480), (960, 292574), (964, 291360), (1205, 233088), (1214, 231360), (1446, 194240), (1821, 154240), (1920, 146287), (1928, 145680), (2410, 116544), (2428, 115680), (2892, 97120), (3035, 92544), (3615, 77696), (3642, 77120), (3856, 72840), (4820, 58272), (4856, 57840), (5784, 48560), (6070, 46272), (7230, 38848), (7284, 38560), (7712, 36420), (9105, 30848), (9640, 29136), (9712, 28920), (11568, 24280), (12140, 23136), (14460, 19424), (14568, 19280), (15424, 18210)]