77689620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6079}}^1$

素因数の和:6165

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 161327340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6079, 6390, 12158, 12780, 18237, 24316, 30395, 36474, 54711, 60790, 72948, 91185, 109422, 121580, 182370, 218844, 273555, 364740, 431609, 547110, 863218, 1094220, 1294827, 1726436, 2158045, 2589654, 3884481, 4316090, 5179308, 6474135, 7768962, 8632180, 12948270, 15537924, 19422405, 25896540, 38844810, 77689620]

約数ペア:

[(1, 77689620), (2, 38844810), (3, 25896540), (4, 19422405), (5, 15537924), (6, 12948270), (9, 8632180), (10, 7768962), (12, 6474135), (15, 5179308), (18, 4316090), (20, 3884481), (30, 2589654), (36, 2158045), (45, 1726436), (60, 1294827), (71, 1094220), (90, 863218), (142, 547110), (180, 431609), (213, 364740), (284, 273555), (355, 218844), (426, 182370), (639, 121580), (710, 109422), (852, 91185), (1065, 72948), (1278, 60790), (1420, 54711), (2130, 36474), (2556, 30395), (3195, 24316), (4260, 18237), (6079, 12780), (6390, 12158)]