217839120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907663}}^1$

素因数の和:907679

約数の個数: 40

約数和(自身を含む): 675302016

約数和(自身を除く): 457462896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907663, 1815326, 2722989, 3630652, 4538315, 5445978, 7261304, 9076630, 10891956, 13614945, 14522608, 18153260, 21783912, 27229890, 36306520, 43567824, 54459780, 72613040, 108919560, 217839120]

約数ペア:

[(1, 217839120), (2, 108919560), (3, 72613040), (4, 54459780), (5, 43567824), (6, 36306520), (8, 27229890), (10, 21783912), (12, 18153260), (15, 14522608), (16, 13614945), (20, 10891956), (24, 9076630), (30, 7261304), (40, 5445978), (48, 4538315), (60, 3630652), (80, 2722989), (120, 1815326), (240, 907663)]