69751980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{809}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 212284800

約数和(自身を除く): 142532820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 809, 958, 1437, 1618, 1916, 2395, 2427, 2874, 3236, 4045, 4311, 4790, 4854, 5748, 7185, 7281, 8090, 8622, 9580, 9708, 12135, 14370, 14562, 16180, 17244, 21555, 24270, 28740, 29124, 36405, 43110, 48540, 72810, 86220, 145620, 387511, 775022, 1162533, 1550044, 1937555, 2325066, 3487599, 3875110, 4650132, 5812665, 6975198, 7750220, 11625330, 13950396, 17437995, 23250660, 34875990, 69751980]

約数ペア:

[(1, 69751980), (2, 34875990), (3, 23250660), (4, 17437995), (5, 13950396), (6, 11625330), (9, 7750220), (10, 6975198), (12, 5812665), (15, 4650132), (18, 3875110), (20, 3487599), (30, 2325066), (36, 1937555), (45, 1550044), (60, 1162533), (90, 775022), (180, 387511), (479, 145620), (809, 86220), (958, 72810), (1437, 48540), (1618, 43110), (1916, 36405), (2395, 29124), (2427, 28740), (2874, 24270), (3236, 21555), (4045, 17244), (4311, 16180), (4790, 14562), (4854, 14370), (5748, 12135), (7185, 9708), (7281, 9580), (8090, 8622)]