91086680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 142193320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 68, 85, 116, 124, 136, 145, 149, 155, 170, 232, 248, 290, 298, 310, 340, 493, 527, 580, 596, 620, 680, 745, 899, 986, 1054, 1160, 1192, 1240, 1490, 1798, 1972, 2108, 2465, 2533, 2635, 2980, 3596, 3944, 4216, 4321, 4495, 4619, 4930, 5066, 5270, 5960, 7192, 8642, 8990, 9238, 9860, 10132, 10540, 12665, 15283, 17284, 17980, 18476, 19720, 20264, 21080, 21605, 23095, 25330, 30566, 34568, 35960, 36952, 43210, 46190, 50660, 61132, 73457, 76415, 78523, 86420, 92380, 101320, 122264, 133951, 146914, 152830, 157046, 172840, 184760, 267902, 293828, 305660, 314092, 367285, 392615, 535804, 587656, 611320, 628184, 669755, 734570, 785230, 1071608, 1339510, 1469140, 1570460, 2277167, 2679020, 2938280, 3140920, 4554334, 5358040, 9108668, 11385835, 18217336, 22771670, 45543340, 91086680]

約数ペア:

[(1, 91086680), (2, 45543340), (4, 22771670), (5, 18217336), (8, 11385835), (10, 9108668), (17, 5358040), (20, 4554334), (29, 3140920), (31, 2938280), (34, 2679020), (40, 2277167), (58, 1570460), (62, 1469140), (68, 1339510), (85, 1071608), (116, 785230), (124, 734570), (136, 669755), (145, 628184), (149, 611320), (155, 587656), (170, 535804), (232, 392615), (248, 367285), (290, 314092), (298, 305660), (310, 293828), (340, 267902), (493, 184760), (527, 172840), (580, 157046), (596, 152830), (620, 146914), (680, 133951), (745, 122264), (899, 101320), (986, 92380), (1054, 86420), (1160, 78523), (1192, 76415), (1240, 73457), (1490, 61132), (1798, 50660), (1972, 46190), (2108, 43210), (2465, 36952), (2533, 35960), (2635, 34568), (2980, 30566), (3596, 25330), (3944, 23095), (4216, 21605), (4321, 21080), (4495, 20264), (4619, 19720), (4930, 18476), (5066, 17980), (5270, 17284), (5960, 15283), (7192, 12665), (8642, 10540), (8990, 10132), (9238, 9860)]