156755560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{619}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 381225600

約数和(自身を除く): 224470040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 487, 520, 619, 974, 1238, 1948, 2435, 2476, 3095, 3896, 4870, 4952, 6190, 6331, 8047, 9740, 12380, 12662, 16094, 19480, 24760, 25324, 31655, 32188, 40235, 50648, 63310, 64376, 80470, 126620, 160940, 253240, 301453, 321880, 602906, 1205812, 1507265, 2411624, 3014530, 3918889, 6029060, 7837778, 12058120, 15675556, 19594445, 31351112, 39188890, 78377780, 156755560]

約数ペア:

[(1, 156755560), (2, 78377780), (4, 39188890), (5, 31351112), (8, 19594445), (10, 15675556), (13, 12058120), (20, 7837778), (26, 6029060), (40, 3918889), (52, 3014530), (65, 2411624), (104, 1507265), (130, 1205812), (260, 602906), (487, 321880), (520, 301453), (619, 253240), (974, 160940), (1238, 126620), (1948, 80470), (2435, 64376), (2476, 63310), (3095, 50648), (3896, 40235), (4870, 32188), (4952, 31655), (6190, 25324), (6331, 24760), (8047, 19480), (9740, 16094), (12380, 12662)]