64526580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2579}}^1$

素因数の和:2733

約数の個数: 72

約数和(自身を含む): 197215200

約数和(自身を除く): 132688620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2579, 2780, 4170, 5004, 5158, 6255, 7737, 8340, 10316, 12510, 12895, 15474, 23211, 25020, 25790, 30948, 38685, 46422, 51580, 77370, 92844, 116055, 154740, 232110, 358481, 464220, 716962, 1075443, 1433924, 1792405, 2150886, 3226329, 3584810, 4301772, 5377215, 6452658, 7169620, 10754430, 12905316, 16131645, 21508860, 32263290, 64526580]

約数ペア:

[(1, 64526580), (2, 32263290), (3, 21508860), (4, 16131645), (5, 12905316), (6, 10754430), (9, 7169620), (10, 6452658), (12, 5377215), (15, 4301772), (18, 3584810), (20, 3226329), (30, 2150886), (36, 1792405), (45, 1433924), (60, 1075443), (90, 716962), (139, 464220), (180, 358481), (278, 232110), (417, 154740), (556, 116055), (695, 92844), (834, 77370), (1251, 51580), (1390, 46422), (1668, 38685), (2085, 30948), (2502, 25790), (2579, 25020), (2780, 23211), (4170, 15474), (5004, 12895), (5158, 12510), (6255, 10316), (7737, 8340)]