641921520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2674673}}^1$

素因数の和:2674689

約数の個数: 40

約数和(自身を含む): 1989957456

約数和(自身を除く): 1348035936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2674673, 5349346, 8024019, 10698692, 13373365, 16048038, 21397384, 26746730, 32096076, 40120095, 42794768, 53493460, 64192152, 80240190, 106986920, 128384304, 160480380, 213973840, 320960760, 641921520]

約数ペア:

[(1, 641921520), (2, 320960760), (3, 213973840), (4, 160480380), (5, 128384304), (6, 106986920), (8, 80240190), (10, 64192152), (12, 53493460), (15, 42794768), (16, 40120095), (20, 32096076), (24, 26746730), (30, 21397384), (40, 16048038), (48, 13373365), (60, 10698692), (80, 8024019), (120, 5349346), (240, 2674673)]