77581620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1523}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 236317536

約数和(自身を除く): 158735916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1523, 1698, 2547, 2830, 3046, 3396, 4245, 4569, 5094, 5660, 6092, 7615, 8490, 9138, 10188, 12735, 13707, 15230, 16980, 18276, 22845, 25470, 27414, 30460, 45690, 50940, 54828, 68535, 91380, 137070, 274140, 431009, 862018, 1293027, 1724036, 2155045, 2586054, 3879081, 4310090, 5172108, 6465135, 7758162, 8620180, 12930270, 15516324, 19395405, 25860540, 38790810, 77581620]

約数ペア:

[(1, 77581620), (2, 38790810), (3, 25860540), (4, 19395405), (5, 15516324), (6, 12930270), (9, 8620180), (10, 7758162), (12, 6465135), (15, 5172108), (18, 4310090), (20, 3879081), (30, 2586054), (36, 2155045), (45, 1724036), (60, 1293027), (90, 862018), (180, 431009), (283, 274140), (566, 137070), (849, 91380), (1132, 68535), (1415, 54828), (1523, 50940), (1698, 45690), (2547, 30460), (2830, 27414), (3046, 25470), (3396, 22845), (4245, 18276), (4569, 16980), (5094, 15230), (5660, 13707), (6092, 12735), (7615, 10188), (8490, 9138)]