638250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 64

約数和(自身を含む): 1707264

約数和(自身を除く): 1069014

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 37, 46, 50, 69, 74, 75, 111, 115, 125, 138, 150, 185, 222, 230, 250, 345, 370, 375, 555, 575, 690, 750, 851, 925, 1110, 1150, 1702, 1725, 1850, 2553, 2775, 2875, 3450, 4255, 4625, 5106, 5550, 5750, 8510, 8625, 9250, 12765, 13875, 17250, 21275, 25530, 27750, 42550, 63825, 106375, 127650, 212750, 319125, 638250]

約数ペア:

[(1, 638250), (2, 319125), (3, 212750), (5, 127650), (6, 106375), (10, 63825), (15, 42550), (23, 27750), (25, 25530), (30, 21275), (37, 17250), (46, 13875), (50, 12765), (69, 9250), (74, 8625), (75, 8510), (111, 5750), (115, 5550), (125, 5106), (138, 4625), (150, 4255), (185, 3450), (222, 2875), (230, 2775), (250, 2553), (345, 1850), (370, 1725), (375, 1702), (555, 1150), (575, 1110), (690, 925), (750, 851)]