81987000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{27329}}^1$

素因数の和:27353

約数の個数: 64

約数和(自身を含む): 255808800

約数和(自身を除く): 173821800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 27329, 54658, 81987, 109316, 136645, 163974, 218632, 273290, 327948, 409935, 546580, 655896, 683225, 819870, 1093160, 1366450, 1639740, 2049675, 2732900, 3279480, 3416125, 4099350, 5465800, 6832250, 8198700, 10248375, 13664500, 16397400, 20496750, 27329000, 40993500, 81987000]

約数ペア:

[(1, 81987000), (2, 40993500), (3, 27329000), (4, 20496750), (5, 16397400), (6, 13664500), (8, 10248375), (10, 8198700), (12, 6832250), (15, 5465800), (20, 4099350), (24, 3416125), (25, 3279480), (30, 2732900), (40, 2049675), (50, 1639740), (60, 1366450), (75, 1093160), (100, 819870), (120, 683225), (125, 655896), (150, 546580), (200, 409935), (250, 327948), (300, 273290), (375, 218632), (500, 163974), (600, 136645), (750, 109316), (1000, 81987), (1500, 54658), (3000, 27329)]