397121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1654673}}^1$

素因数の和:1654689

約数の個数: 40

約数和(自身を含む): 1231077456

約数和(自身を除く): 833955936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1654673, 3309346, 4964019, 6618692, 8273365, 9928038, 13237384, 16546730, 19856076, 24820095, 26474768, 33093460, 39712152, 49640190, 66186920, 79424304, 99280380, 132373840, 198560760, 397121520]

約数ペア:

[(1, 397121520), (2, 198560760), (3, 132373840), (4, 99280380), (5, 79424304), (6, 66186920), (8, 49640190), (10, 39712152), (12, 33093460), (15, 26474768), (16, 24820095), (20, 19856076), (24, 16546730), (30, 13237384), (40, 9928038), (48, 8273365), (60, 6618692), (80, 4964019), (120, 3309346), (240, 1654673)]