9909691880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{66047}}^1$

素因数の和:66111

約数の個数: 96

約数和(自身を含む): 25299025920

約数和(自身を除く): 15389334040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1705, 2420, 2728, 3410, 3751, 4840, 6820, 7502, 13640, 15004, 18755, 30008, 37510, 66047, 75020, 132094, 150040, 264188, 330235, 528376, 660470, 726517, 1320940, 1453034, 2047457, 2641880, 2906068, 3632585, 4094914, 5812136, 7265170, 7991687, 8189828, 10237285, 14530340, 15983374, 16379656, 20474570, 22522027, 29060680, 31966748, 39958435, 40949140, 45044054, 63933496, 79916870, 81898280, 90088108, 112610135, 159833740, 180176216, 225220270, 247742297, 319667480, 450440540, 495484594, 900881080, 990969188, 1238711485, 1981938376, 2477422970, 4954845940, 9909691880]

約数ペア:

[(1, 9909691880), (2, 4954845940), (4, 2477422970), (5, 1981938376), (8, 1238711485), (10, 990969188), (11, 900881080), (20, 495484594), (22, 450440540), (31, 319667480), (40, 247742297), (44, 225220270), (55, 180176216), (62, 159833740), (88, 112610135), (110, 90088108), (121, 81898280), (124, 79916870), (155, 63933496), (220, 45044054), (242, 40949140), (248, 39958435), (310, 31966748), (341, 29060680), (440, 22522027), (484, 20474570), (605, 16379656), (620, 15983374), (682, 14530340), (968, 10237285), (1210, 8189828), (1240, 7991687), (1364, 7265170), (1705, 5812136), (2420, 4094914), (2728, 3632585), (3410, 2906068), (3751, 2641880), (4840, 2047457), (6820, 1453034), (7502, 1320940), (13640, 726517), (15004, 660470), (18755, 528376), (30008, 330235), (37510, 264188), (66047, 150040), (75020, 132094)]