61716760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 159563520

約数和(自身を除く): 97846760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 971, 1135, 1589, 1816, 1942, 2270, 3178, 3884, 4540, 4855, 6356, 6797, 7768, 7945, 9080, 9710, 12712, 13594, 15890, 19420, 27188, 31780, 33985, 38840, 54376, 63560, 67970, 135940, 220417, 271880, 440834, 881668, 1102085, 1542919, 1763336, 2204170, 3085838, 4408340, 6171676, 7714595, 8816680, 12343352, 15429190, 30858380, 61716760]

約数ペア:

[(1, 61716760), (2, 30858380), (4, 15429190), (5, 12343352), (7, 8816680), (8, 7714595), (10, 6171676), (14, 4408340), (20, 3085838), (28, 2204170), (35, 1763336), (40, 1542919), (56, 1102085), (70, 881668), (140, 440834), (227, 271880), (280, 220417), (454, 135940), (908, 67970), (971, 63560), (1135, 54376), (1589, 38840), (1816, 33985), (1942, 31780), (2270, 27188), (3178, 19420), (3884, 15890), (4540, 13594), (4855, 12712), (6356, 9710), (6797, 9080), (7768, 7945)]