144927280

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2749}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 337590000

約数和(自身を除く): 192662720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 2749, 3295, 5272, 5498, 6590, 10544, 10996, 13180, 13745, 21992, 26360, 27490, 43984, 52720, 54980, 109960, 219920, 1811591, 3623182, 7246364, 9057955, 14492728, 18115910, 28985456, 36231820, 72463640, 144927280]

約数ペア:

[(1, 144927280), (2, 72463640), (4, 36231820), (5, 28985456), (8, 18115910), (10, 14492728), (16, 9057955), (20, 7246364), (40, 3623182), (80, 1811591), (659, 219920), (1318, 109960), (2636, 54980), (2749, 52720), (3295, 43984), (5272, 27490), (5498, 26360), (6590, 21992), (10544, 13745), (10996, 13180)]