681750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{101}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 1909440

約数和(自身を除く): 1227690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 101, 125, 135, 150, 202, 225, 250, 270, 303, 375, 450, 505, 606, 675, 750, 909, 1010, 1125, 1350, 1515, 1818, 2250, 2525, 2727, 3030, 3375, 4545, 5050, 5454, 6750, 7575, 9090, 12625, 13635, 15150, 22725, 25250, 27270, 37875, 45450, 68175, 75750, 113625, 136350, 227250, 340875, 681750]

約数ペア:

[(1, 681750), (2, 340875), (3, 227250), (5, 136350), (6, 113625), (9, 75750), (10, 68175), (15, 45450), (18, 37875), (25, 27270), (27, 25250), (30, 22725), (45, 15150), (50, 13635), (54, 12625), (75, 9090), (90, 7575), (101, 6750), (125, 5454), (135, 5050), (150, 4545), (202, 3375), (225, 3030), (250, 2727), (270, 2525), (303, 2250), (375, 1818), (450, 1515), (505, 1350), (606, 1125), (675, 1010), (750, 909)]