87340240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 220642128

約数和(自身を除く): 133301888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 613, 685, 1040, 1096, 1226, 1370, 1781, 2192, 2452, 2740, 3065, 3562, 4904, 5480, 6130, 7124, 7969, 8905, 9808, 10960, 12260, 14248, 15938, 17810, 24520, 28496, 31876, 35620, 39845, 49040, 63752, 71240, 79690, 83981, 127504, 142480, 159380, 167962, 318760, 335924, 419905, 637520, 671848, 839810, 1091753, 1343696, 1679620, 2183506, 3359240, 4367012, 5458765, 6718480, 8734024, 10917530, 17468048, 21835060, 43670120, 87340240]

約数ペア:

[(1, 87340240), (2, 43670120), (4, 21835060), (5, 17468048), (8, 10917530), (10, 8734024), (13, 6718480), (16, 5458765), (20, 4367012), (26, 3359240), (40, 2183506), (52, 1679620), (65, 1343696), (80, 1091753), (104, 839810), (130, 671848), (137, 637520), (208, 419905), (260, 335924), (274, 318760), (520, 167962), (548, 159380), (613, 142480), (685, 127504), (1040, 83981), (1096, 79690), (1226, 71240), (1370, 63752), (1781, 49040), (2192, 39845), (2452, 35620), (2740, 31876), (3065, 28496), (3562, 24520), (4904, 17810), (5480, 15938), (6130, 14248), (7124, 12260), (7969, 10960), (8905, 9808)]