249608280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4009

約数の個数: 128

約数和(自身を含む): 818657280

約数和(自身を除く): 569049000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 3947, 4216, 5270, 6324, 7894, 7905, 10540, 11841, 12648, 15788, 15810, 19735, 21080, 23682, 31576, 31620, 39470, 47364, 59205, 63240, 67099, 78940, 94728, 118410, 122357, 134198, 157880, 201297, 236820, 244714, 268396, 335495, 367071, 402594, 473640, 489428, 536792, 611785, 670990, 734142, 805188, 978856, 1006485, 1223570, 1341980, 1468284, 1610376, 1835355, 2012970, 2080069, 2447140, 2683960, 2936568, 3670710, 4025940, 4160138, 4894280, 6240207, 7341420, 8051880, 8320276, 10400345, 12480414, 14682840, 16640552, 20800690, 24960828, 31201035, 41601380, 49921656, 62402070, 83202760, 124804140, 249608280]

約数ペア:

[(1, 249608280), (2, 124804140), (3, 83202760), (4, 62402070), (5, 49921656), (6, 41601380), (8, 31201035), (10, 24960828), (12, 20800690), (15, 16640552), (17, 14682840), (20, 12480414), (24, 10400345), (30, 8320276), (31, 8051880), (34, 7341420), (40, 6240207), (51, 4894280), (60, 4160138), (62, 4025940), (68, 3670710), (85, 2936568), (93, 2683960), (102, 2447140), (120, 2080069), (124, 2012970), (136, 1835355), (155, 1610376), (170, 1468284), (186, 1341980), (204, 1223570), (248, 1006485), (255, 978856), (310, 805188), (340, 734142), (372, 670990), (408, 611785), (465, 536792), (510, 489428), (527, 473640), (620, 402594), (680, 367071), (744, 335495), (930, 268396), (1020, 244714), (1054, 236820), (1240, 201297), (1581, 157880), (1860, 134198), (2040, 122357), (2108, 118410), (2635, 94728), (3162, 78940), (3720, 67099), (3947, 63240), (4216, 59205), (5270, 47364), (6324, 39470), (7894, 31620), (7905, 31576), (10540, 23682), (11841, 21080), (12648, 19735), (15788, 15810)]