528742640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3251}}^1$

素因数の和:3390

約数の個数: 80

約数和(自身を含む): 1306523520

約数和(自身を除く): 777780880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 380, 428, 535, 760, 856, 1070, 1520, 1712, 2033, 2140, 3251, 4066, 4280, 6502, 8132, 8560, 10165, 13004, 16255, 16264, 20330, 26008, 32510, 32528, 40660, 52016, 61769, 65020, 81320, 123538, 130040, 162640, 247076, 260080, 308845, 347857, 494152, 617690, 695714, 988304, 1235380, 1391428, 1739285, 2470760, 2782856, 3478570, 4941520, 5565712, 6609283, 6957140, 13218566, 13914280, 26437132, 27828560, 33046415, 52874264, 66092830, 105748528, 132185660, 264371320, 528742640]

約数ペア:

[(1, 528742640), (2, 264371320), (4, 132185660), (5, 105748528), (8, 66092830), (10, 52874264), (16, 33046415), (19, 27828560), (20, 26437132), (38, 13914280), (40, 13218566), (76, 6957140), (80, 6609283), (95, 5565712), (107, 4941520), (152, 3478570), (190, 2782856), (214, 2470760), (304, 1739285), (380, 1391428), (428, 1235380), (535, 988304), (760, 695714), (856, 617690), (1070, 494152), (1520, 347857), (1712, 308845), (2033, 260080), (2140, 247076), (3251, 162640), (4066, 130040), (4280, 123538), (6502, 81320), (8132, 65020), (8560, 61769), (10165, 52016), (13004, 40660), (16255, 32528), (16264, 32510), (20330, 26008)]