880380160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2017}}^1$

素因数の和:2080

約数の個数: 144

約数和(自身を含む): 2375880192

約数和(自身を除く): 1495500032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2017, 2480, 2728, 2816, 3410, 3520, 3968, 4034, 4960, 5456, 6820, 7040, 7936, 8068, 9920, 10085, 10912, 13640, 14080, 16136, 19840, 20170, 21824, 22187, 27280, 32272, 39680, 40340, 43648, 44374, 54560, 62527, 64544, 80680, 87296, 88748, 109120, 110935, 125054, 129088, 161360, 177496, 218240, 221870, 250108, 258176, 312635, 322720, 354992, 436480, 443740, 500216, 516352, 625270, 645440, 687797, 709984, 887480, 1000432, 1250540, 1290880, 1375594, 1419968, 1774960, 2000864, 2501080, 2581760, 2751188, 2839936, 3438985, 3549920, 4001728, 5002160, 5502376, 5679872, 6877970, 7099840, 8003456, 10004320, 11004752, 13755940, 14199680, 16006912, 20008640, 22009504, 27511880, 28399360, 40017280, 44019008, 55023760, 80034560, 88038016, 110047520, 176076032, 220095040, 440190080, 880380160]

約数ペア:

[(1, 880380160), (2, 440190080), (4, 220095040), (5, 176076032), (8, 110047520), (10, 88038016), (11, 80034560), (16, 55023760), (20, 44019008), (22, 40017280), (31, 28399360), (32, 27511880), (40, 22009504), (44, 20008640), (55, 16006912), (62, 14199680), (64, 13755940), (80, 11004752), (88, 10004320), (110, 8003456), (124, 7099840), (128, 6877970), (155, 5679872), (160, 5502376), (176, 5002160), (220, 4001728), (248, 3549920), (256, 3438985), (310, 2839936), (320, 2751188), (341, 2581760), (352, 2501080), (440, 2000864), (496, 1774960), (620, 1419968), (640, 1375594), (682, 1290880), (704, 1250540), (880, 1000432), (992, 887480), (1240, 709984), (1280, 687797), (1364, 645440), (1408, 625270), (1705, 516352), (1760, 500216), (1984, 443740), (2017, 436480), (2480, 354992), (2728, 322720), (2816, 312635), (3410, 258176), (3520, 250108), (3968, 221870), (4034, 218240), (4960, 177496), (5456, 161360), (6820, 129088), (7040, 125054), (7936, 110935), (8068, 109120), (9920, 88748), (10085, 87296), (10912, 80680), (13640, 64544), (14080, 62527), (16136, 54560), (19840, 44374), (20170, 43648), (21824, 40340), (22187, 39680), (27280, 32272)]