127780240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:945

約数の個数: 120

約数和(自身を含む): 355336632

約数和(自身を除く): 227556392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 881, 980, 1036, 1295, 1480, 1762, 1813, 1960, 2072, 2590, 2960, 3524, 3626, 3920, 4144, 4405, 5180, 6167, 7048, 7252, 8810, 9065, 10360, 12334, 14096, 14504, 17620, 18130, 20720, 24668, 29008, 30835, 32597, 35240, 36260, 43169, 49336, 61670, 65194, 70480, 72520, 86338, 98672, 123340, 130388, 145040, 162985, 172676, 215845, 228179, 246680, 260776, 325970, 345352, 431690, 456358, 493360, 521552, 651940, 690704, 863380, 912716, 1140895, 1303880, 1597253, 1726760, 1825432, 2281790, 2607760, 3194506, 3453520, 3650864, 4563580, 6389012, 7986265, 9127160, 12778024, 15972530, 18254320, 25556048, 31945060, 63890120, 127780240]

約数ペア:

[(1, 127780240), (2, 63890120), (4, 31945060), (5, 25556048), (7, 18254320), (8, 15972530), (10, 12778024), (14, 9127160), (16, 7986265), (20, 6389012), (28, 4563580), (35, 3650864), (37, 3453520), (40, 3194506), (49, 2607760), (56, 2281790), (70, 1825432), (74, 1726760), (80, 1597253), (98, 1303880), (112, 1140895), (140, 912716), (148, 863380), (185, 690704), (196, 651940), (245, 521552), (259, 493360), (280, 456358), (296, 431690), (370, 345352), (392, 325970), (490, 260776), (518, 246680), (560, 228179), (592, 215845), (740, 172676), (784, 162985), (881, 145040), (980, 130388), (1036, 123340), (1295, 98672), (1480, 86338), (1762, 72520), (1813, 70480), (1960, 65194), (2072, 61670), (2590, 49336), (2960, 43169), (3524, 36260), (3626, 35240), (3920, 32597), (4144, 30835), (4405, 29008), (5180, 24668), (6167, 20720), (7048, 18130), (7252, 17620), (8810, 14504), (9065, 14096), (10360, 12334)]