8715280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 23569920

約数和(自身を除く): 14854640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 197, 280, 316, 394, 395, 553, 560, 632, 788, 790, 985, 1106, 1264, 1379, 1576, 1580, 1970, 2212, 2758, 2765, 3152, 3160, 3940, 4424, 5516, 5530, 6320, 6895, 7880, 8848, 11032, 11060, 13790, 15563, 15760, 22064, 22120, 27580, 31126, 44240, 55160, 62252, 77815, 108941, 110320, 124504, 155630, 217882, 249008, 311260, 435764, 544705, 622520, 871528, 1089410, 1245040, 1743056, 2178820, 4357640, 8715280]

約数ペア:

[(1, 8715280), (2, 4357640), (4, 2178820), (5, 1743056), (7, 1245040), (8, 1089410), (10, 871528), (14, 622520), (16, 544705), (20, 435764), (28, 311260), (35, 249008), (40, 217882), (56, 155630), (70, 124504), (79, 110320), (80, 108941), (112, 77815), (140, 62252), (158, 55160), (197, 44240), (280, 31126), (316, 27580), (394, 22120), (395, 22064), (553, 15760), (560, 15563), (632, 13790), (788, 11060), (790, 11032), (985, 8848), (1106, 7880), (1264, 6895), (1379, 6320), (1576, 5530), (1580, 5516), (1970, 4424), (2212, 3940), (2758, 3160), (2765, 3152)]