20151750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 51000768

約数和(自身を除く): 30849018

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 97, 125, 150, 194, 250, 277, 291, 375, 485, 554, 582, 750, 831, 970, 1385, 1455, 1662, 2425, 2770, 2910, 4155, 4850, 6925, 7275, 8310, 12125, 13850, 14550, 20775, 24250, 26869, 34625, 36375, 41550, 53738, 69250, 72750, 80607, 103875, 134345, 161214, 207750, 268690, 403035, 671725, 806070, 1343450, 2015175, 3358625, 4030350, 6717250, 10075875, 20151750]

約数ペア:

[(1, 20151750), (2, 10075875), (3, 6717250), (5, 4030350), (6, 3358625), (10, 2015175), (15, 1343450), (25, 806070), (30, 671725), (50, 403035), (75, 268690), (97, 207750), (125, 161214), (150, 134345), (194, 103875), (250, 80607), (277, 72750), (291, 69250), (375, 53738), (485, 41550), (554, 36375), (582, 34625), (750, 26869), (831, 24250), (970, 20775), (1385, 14550), (1455, 13850), (1662, 12125), (2425, 8310), (2770, 7275), (2910, 6925), (4155, 4850)]