15720421360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{99901}}^1$

素因数の和:100202

約数の個数: 80

約数和(自身を含む): 41920477632

約数和(自身を除く): 26200056272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2810, 3934, 4496, 5620, 7868, 9835, 11240, 15736, 19670, 22480, 31472, 39340, 78680, 99901, 157360, 199802, 399604, 499505, 699307, 799208, 999010, 1398614, 1598416, 1998020, 2797228, 3496535, 3996040, 5594456, 6993070, 7992080, 11188912, 13986140, 27972280, 28072181, 55944560, 56144362, 112288724, 140360905, 196505267, 224577448, 280721810, 393010534, 449154896, 561443620, 786021068, 982526335, 1122887240, 1572042136, 1965052670, 2245774480, 3144084272, 3930105340, 7860210680, 15720421360]

約数ペア:

[(1, 15720421360), (2, 7860210680), (4, 3930105340), (5, 3144084272), (7, 2245774480), (8, 1965052670), (10, 1572042136), (14, 1122887240), (16, 982526335), (20, 786021068), (28, 561443620), (35, 449154896), (40, 393010534), (56, 280721810), (70, 224577448), (80, 196505267), (112, 140360905), (140, 112288724), (280, 56144362), (281, 55944560), (560, 28072181), (562, 27972280), (1124, 13986140), (1405, 11188912), (1967, 7992080), (2248, 6993070), (2810, 5594456), (3934, 3996040), (4496, 3496535), (5620, 2797228), (7868, 1998020), (9835, 1598416), (11240, 1398614), (15736, 999010), (19670, 799208), (22480, 699307), (31472, 499505), (39340, 399604), (78680, 199802), (99901, 157360)]