315046420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1123}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 725681376

約数和(自身を除く): 410634956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 169, 260, 332, 338, 415, 676, 830, 845, 1079, 1123, 1660, 1690, 2158, 2246, 3380, 4316, 4492, 5395, 5615, 10790, 11230, 14027, 14599, 21580, 22460, 28054, 29198, 56108, 58396, 70135, 72995, 93209, 140270, 145990, 186418, 189787, 280540, 291980, 372836, 379574, 466045, 759148, 932090, 948935, 1211717, 1864180, 1897870, 2423434, 3795740, 4846868, 6058585, 12117170, 15752321, 24234340, 31504642, 63009284, 78761605, 157523210, 315046420]

約数ペア:

[(1, 315046420), (2, 157523210), (4, 78761605), (5, 63009284), (10, 31504642), (13, 24234340), (20, 15752321), (26, 12117170), (52, 6058585), (65, 4846868), (83, 3795740), (130, 2423434), (166, 1897870), (169, 1864180), (260, 1211717), (332, 948935), (338, 932090), (415, 759148), (676, 466045), (830, 379574), (845, 372836), (1079, 291980), (1123, 280540), (1660, 189787), (1690, 186418), (2158, 145990), (2246, 140270), (3380, 93209), (4316, 72995), (4492, 70135), (5395, 58396), (5615, 56108), (10790, 29198), (11230, 28054), (14027, 22460), (14599, 21580)]