78964080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25309}}^1$

素因数の和:25338

約数の個数: 80

約数和(自身を含む): 263628960

約数和(自身を除く): 184664880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25309, 50618, 75927, 101236, 126545, 151854, 202472, 253090, 303708, 329017, 379635, 404944, 506180, 607416, 658034, 759270, 987051, 1012360, 1214832, 1316068, 1518540, 1645085, 1974102, 2024720, 2632136, 3037080, 3290170, 3948204, 4935255, 5264272, 6074160, 6580340, 7896408, 9870510, 13160680, 15792816, 19741020, 26321360, 39482040, 78964080]

約数ペア:

[(1, 78964080), (2, 39482040), (3, 26321360), (4, 19741020), (5, 15792816), (6, 13160680), (8, 9870510), (10, 7896408), (12, 6580340), (13, 6074160), (15, 5264272), (16, 4935255), (20, 3948204), (24, 3290170), (26, 3037080), (30, 2632136), (39, 2024720), (40, 1974102), (48, 1645085), (52, 1518540), (60, 1316068), (65, 1214832), (78, 1012360), (80, 987051), (104, 759270), (120, 658034), (130, 607416), (156, 506180), (195, 404944), (208, 379635), (240, 329017), (260, 303708), (312, 253090), (390, 202472), (520, 151854), (624, 126545), (780, 101236), (1040, 75927), (1560, 50618), (3120, 25309)]