87105560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 206236800

約数和(自身を除く): 119131240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1231, 1769, 2440, 2462, 3538, 4924, 6155, 7076, 8845, 9848, 12310, 14152, 17690, 24620, 35380, 35699, 49240, 70760, 71398, 75091, 142796, 150182, 178495, 285592, 300364, 356990, 375455, 600728, 713980, 750910, 1427960, 1501820, 2177639, 3003640, 4355278, 8710556, 10888195, 17421112, 21776390, 43552780, 87105560]

約数ペア:

[(1, 87105560), (2, 43552780), (4, 21776390), (5, 17421112), (8, 10888195), (10, 8710556), (20, 4355278), (29, 3003640), (40, 2177639), (58, 1501820), (61, 1427960), (116, 750910), (122, 713980), (145, 600728), (232, 375455), (244, 356990), (290, 300364), (305, 285592), (488, 178495), (580, 150182), (610, 142796), (1160, 75091), (1220, 71398), (1231, 70760), (1769, 49240), (2440, 35699), (2462, 35380), (3538, 24620), (4924, 17690), (6155, 14152), (7076, 12310), (8845, 9848)]