90740320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 243326160

約数和(自身を除く): 152585840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 109, 110, 121, 160, 172, 176, 215, 218, 220, 242, 344, 352, 430, 436, 440, 473, 484, 545, 605, 688, 860, 872, 880, 946, 968, 1090, 1199, 1210, 1376, 1720, 1744, 1760, 1892, 1936, 2180, 2365, 2398, 2420, 3440, 3488, 3784, 3872, 4360, 4687, 4730, 4796, 4840, 5203, 5995, 6880, 7568, 8720, 9374, 9460, 9592, 9680, 10406, 11990, 13189, 15136, 17440, 18748, 18920, 19184, 19360, 20812, 23435, 23980, 26015, 26378, 37496, 37840, 38368, 41624, 46870, 47960, 51557, 52030, 52756, 65945, 74992, 75680, 83248, 93740, 95920, 103114, 104060, 105512, 131890, 149984, 166496, 187480, 191840, 206228, 208120, 211024, 257785, 263780, 374960, 412456, 416240, 422048, 515570, 527560, 567127, 749920, 824912, 832480, 1031140, 1055120, 1134254, 1649824, 2062280, 2110240, 2268508, 2835635, 4124560, 4537016, 5671270, 8249120, 9074032, 11342540, 18148064, 22685080, 45370160, 90740320]

約数ペア:

[(1, 90740320), (2, 45370160), (4, 22685080), (5, 18148064), (8, 11342540), (10, 9074032), (11, 8249120), (16, 5671270), (20, 4537016), (22, 4124560), (32, 2835635), (40, 2268508), (43, 2110240), (44, 2062280), (55, 1649824), (80, 1134254), (86, 1055120), (88, 1031140), (109, 832480), (110, 824912), (121, 749920), (160, 567127), (172, 527560), (176, 515570), (215, 422048), (218, 416240), (220, 412456), (242, 374960), (344, 263780), (352, 257785), (430, 211024), (436, 208120), (440, 206228), (473, 191840), (484, 187480), (545, 166496), (605, 149984), (688, 131890), (860, 105512), (872, 104060), (880, 103114), (946, 95920), (968, 93740), (1090, 83248), (1199, 75680), (1210, 74992), (1376, 65945), (1720, 52756), (1744, 52030), (1760, 51557), (1892, 47960), (1936, 46870), (2180, 41624), (2365, 38368), (2398, 37840), (2420, 37496), (3440, 26378), (3488, 26015), (3784, 23980), (3872, 23435), (4360, 20812), (4687, 19360), (4730, 19184), (4796, 18920), (4840, 18748), (5203, 17440), (5995, 15136), (6880, 13189), (7568, 11990), (8720, 10406), (9374, 9680), (9460, 9592)]