67978440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20981}}^1$

素因数の和:21004

約数の個数: 80

約数和(自身を含む): 228493980

約数和(自身を除く): 160515540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 188829, 209810, 251772, 314715, 377658, 419620, 503544, 566487, 629430, 755316, 839240, 944145, 1132974, 1258860, 1510632, 1699461, 1888290, 2265948, 2517720, 2832435, 3398922, 3776580, 4531896, 5664870, 6797844, 7553160, 8497305, 11329740, 13595688, 16994610, 22659480, 33989220, 67978440]

約数ペア:

[(1, 67978440), (2, 33989220), (3, 22659480), (4, 16994610), (5, 13595688), (6, 11329740), (8, 8497305), (9, 7553160), (10, 6797844), (12, 5664870), (15, 4531896), (18, 3776580), (20, 3398922), (24, 2832435), (27, 2517720), (30, 2265948), (36, 1888290), (40, 1699461), (45, 1510632), (54, 1258860), (60, 1132974), (72, 944145), (81, 839240), (90, 755316), (108, 629430), (120, 566487), (135, 503544), (162, 419620), (180, 377658), (216, 314715), (270, 251772), (324, 209810), (360, 188829), (405, 167848), (540, 125886), (648, 104905), (810, 83924), (1080, 62943), (1620, 41962), (3240, 20981)]