28160730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 82736640

約数和(自身を除く): 54575910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 90, 113, 117, 130, 135, 142, 195, 213, 226, 234, 270, 339, 351, 355, 390, 426, 565, 585, 639, 678, 702, 710, 923, 1017, 1065, 1130, 1170, 1278, 1469, 1695, 1755, 1846, 1917, 2034, 2130, 2769, 2938, 3051, 3195, 3390, 3510, 3834, 4407, 4615, 5085, 5538, 6102, 6390, 7345, 8023, 8307, 8814, 9230, 9585, 10170, 13221, 13845, 14690, 15255, 16046, 16614, 19170, 22035, 24069, 24921, 26442, 27690, 30510, 39663, 40115, 41535, 44070, 48138, 49842, 66105, 72207, 79326, 80230, 83070, 104299, 120345, 124605, 132210, 144414, 198315, 208598, 216621, 240690, 249210, 312897, 361035, 396630, 433242, 521495, 625794, 722070, 938691, 1042990, 1083105, 1564485, 1877382, 2166210, 2816073, 3128970, 4693455, 5632146, 9386910, 14080365, 28160730]

約数ペア:

[(1, 28160730), (2, 14080365), (3, 9386910), (5, 5632146), (6, 4693455), (9, 3128970), (10, 2816073), (13, 2166210), (15, 1877382), (18, 1564485), (26, 1083105), (27, 1042990), (30, 938691), (39, 722070), (45, 625794), (54, 521495), (65, 433242), (71, 396630), (78, 361035), (90, 312897), (113, 249210), (117, 240690), (130, 216621), (135, 208598), (142, 198315), (195, 144414), (213, 132210), (226, 124605), (234, 120345), (270, 104299), (339, 83070), (351, 80230), (355, 79326), (390, 72207), (426, 66105), (565, 49842), (585, 48138), (639, 44070), (678, 41535), (702, 40115), (710, 39663), (923, 30510), (1017, 27690), (1065, 26442), (1130, 24921), (1170, 24069), (1278, 22035), (1469, 19170), (1695, 16614), (1755, 16046), (1846, 15255), (1917, 14690), (2034, 13845), (2130, 13221), (2769, 10170), (2938, 9585), (3051, 9230), (3195, 8814), (3390, 8307), (3510, 8023), (3834, 7345), (4407, 6390), (4615, 6102), (5085, 5538)]