645599040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{672499}}^1$

素因数の和:672519

約数の個数: 56

約数和(自身を含む): 2049780000

約数和(自身を除く): 1404180960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 672499, 1344998, 2017497, 2689996, 3362495, 4034994, 5379992, 6724990, 8069988, 10087485, 10759984, 13449980, 16139976, 20174970, 21519968, 26899960, 32279952, 40349940, 43039936, 53799920, 64559904, 80699880, 107599840, 129119808, 161399760, 215199680, 322799520, 645599040]

約数ペア:

[(1, 645599040), (2, 322799520), (3, 215199680), (4, 161399760), (5, 129119808), (6, 107599840), (8, 80699880), (10, 64559904), (12, 53799920), (15, 43039936), (16, 40349940), (20, 32279952), (24, 26899960), (30, 21519968), (32, 20174970), (40, 16139976), (48, 13449980), (60, 10759984), (64, 10087485), (80, 8069988), (96, 6724990), (120, 5379992), (160, 4034994), (192, 3362495), (240, 2689996), (320, 2017497), (480, 1344998), (960, 672499)]