61429720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 151956000

約数和(自身を除く): 90526280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 937, 1192, 1490, 1639, 1874, 2980, 3278, 3748, 4685, 5960, 6556, 7496, 8195, 9370, 10307, 13112, 16390, 18740, 20614, 32780, 37480, 41228, 51535, 65560, 82456, 103070, 139613, 206140, 279226, 412280, 558452, 698065, 1116904, 1396130, 1535743, 2792260, 3071486, 5584520, 6142972, 7678715, 12285944, 15357430, 30714860, 61429720]

約数ペア:

[(1, 61429720), (2, 30714860), (4, 15357430), (5, 12285944), (8, 7678715), (10, 6142972), (11, 5584520), (20, 3071486), (22, 2792260), (40, 1535743), (44, 1396130), (55, 1116904), (88, 698065), (110, 558452), (149, 412280), (220, 279226), (298, 206140), (440, 139613), (596, 103070), (745, 82456), (937, 65560), (1192, 51535), (1490, 41228), (1639, 37480), (1874, 32780), (2980, 20614), (3278, 18740), (3748, 16390), (4685, 13112), (5960, 10307), (6556, 9370), (7496, 8195)]