320819868

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2791}}^1$

素因数の和:2935

約数の個数: 72

約数和(自身を含む): 845551616

約数和(自身を除く): 524731748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 186, 206, 279, 309, 372, 412, 558, 618, 927, 1116, 1236, 1854, 2791, 3193, 3708, 5582, 6386, 8373, 9579, 11164, 12772, 16746, 19158, 25119, 28737, 33492, 38316, 50238, 57474, 86521, 100476, 114948, 173042, 259563, 287473, 346084, 519126, 574946, 778689, 862419, 1038252, 1149892, 1557378, 1724838, 2587257, 3114756, 3449676, 5174514, 8911663, 10349028, 17823326, 26734989, 35646652, 53469978, 80204967, 106939956, 160409934, 320819868]

約数ペア:

[(1, 320819868), (2, 160409934), (3, 106939956), (4, 80204967), (6, 53469978), (9, 35646652), (12, 26734989), (18, 17823326), (31, 10349028), (36, 8911663), (62, 5174514), (93, 3449676), (103, 3114756), (124, 2587257), (186, 1724838), (206, 1557378), (279, 1149892), (309, 1038252), (372, 862419), (412, 778689), (558, 574946), (618, 519126), (927, 346084), (1116, 287473), (1236, 259563), (1854, 173042), (2791, 114948), (3193, 100476), (3708, 86521), (5582, 57474), (6386, 50238), (8373, 38316), (9579, 33492), (11164, 28737), (12772, 25119), (16746, 19158)]