129840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 403248

約数和(自身を除く): 273408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 1082, 1623, 2164, 2705, 3246, 4328, 5410, 6492, 8115, 8656, 10820, 12984, 16230, 21640, 25968, 32460, 43280, 64920, 129840]

約数ペア:

[(1, 129840), (2, 64920), (3, 43280), (4, 32460), (5, 25968), (6, 21640), (8, 16230), (10, 12984), (12, 10820), (15, 8656), (16, 8115), (20, 6492), (24, 5410), (30, 4328), (40, 3246), (48, 2705), (60, 2164), (80, 1623), (120, 1082), (240, 541)]