740470960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2522

約数の個数: 80

約数和(自身を含む): 1791885312

約数和(自身を除く): 1051414352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2351, 2480, 2540, 3937, 4702, 5080, 7874, 9404, 10160, 11755, 15748, 18808, 19685, 23510, 31496, 37616, 39370, 47020, 62992, 72881, 78740, 94040, 145762, 157480, 188080, 291524, 298577, 314960, 364405, 583048, 597154, 728810, 1166096, 1194308, 1457620, 1492885, 2388616, 2915240, 2985770, 4777232, 5830480, 5971540, 9255887, 11943080, 18511774, 23886160, 37023548, 46279435, 74047096, 92558870, 148094192, 185117740, 370235480, 740470960]

約数ペア:

[(1, 740470960), (2, 370235480), (4, 185117740), (5, 148094192), (8, 92558870), (10, 74047096), (16, 46279435), (20, 37023548), (31, 23886160), (40, 18511774), (62, 11943080), (80, 9255887), (124, 5971540), (127, 5830480), (155, 4777232), (248, 2985770), (254, 2915240), (310, 2388616), (496, 1492885), (508, 1457620), (620, 1194308), (635, 1166096), (1016, 728810), (1240, 597154), (1270, 583048), (2032, 364405), (2351, 314960), (2480, 298577), (2540, 291524), (3937, 188080), (4702, 157480), (5080, 145762), (7874, 94040), (9404, 78740), (10160, 72881), (11755, 62992), (15748, 47020), (18808, 39370), (19685, 37616), (23510, 31496)]