488403760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15149}}^1$

素因数の和:15206

約数の個数: 80

約数和(自身を含む): 1262419200

約数和(自身を除く): 774015440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 15149, 16120, 30298, 32240, 60596, 75745, 121192, 151490, 196937, 242384, 302980, 393874, 469619, 605960, 787748, 939238, 984685, 1211920, 1575496, 1878476, 1969370, 2348095, 3150992, 3756952, 3938740, 4696190, 6105047, 7513904, 7877480, 9392380, 12210094, 15754960, 18784760, 24420188, 30525235, 37569520, 48840376, 61050470, 97680752, 122100940, 244201880, 488403760]

約数ペア:

[(1, 488403760), (2, 244201880), (4, 122100940), (5, 97680752), (8, 61050470), (10, 48840376), (13, 37569520), (16, 30525235), (20, 24420188), (26, 18784760), (31, 15754960), (40, 12210094), (52, 9392380), (62, 7877480), (65, 7513904), (80, 6105047), (104, 4696190), (124, 3938740), (130, 3756952), (155, 3150992), (208, 2348095), (248, 1969370), (260, 1878476), (310, 1575496), (403, 1211920), (496, 984685), (520, 939238), (620, 787748), (806, 605960), (1040, 469619), (1240, 393874), (1612, 302980), (2015, 242384), (2480, 196937), (3224, 151490), (4030, 121192), (6448, 75745), (8060, 60596), (15149, 32240), (16120, 30298)]