261450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{83}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 812448

約数和(自身を除く): 550998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 83, 90, 105, 126, 150, 166, 175, 210, 225, 249, 315, 350, 415, 450, 498, 525, 581, 630, 747, 830, 1050, 1162, 1245, 1494, 1575, 1743, 2075, 2490, 2905, 3150, 3486, 3735, 4150, 5229, 5810, 6225, 7470, 8715, 10458, 12450, 14525, 17430, 18675, 26145, 29050, 37350, 43575, 52290, 87150, 130725, 261450]

約数ペア:

[(1, 261450), (2, 130725), (3, 87150), (5, 52290), (6, 43575), (7, 37350), (9, 29050), (10, 26145), (14, 18675), (15, 17430), (18, 14525), (21, 12450), (25, 10458), (30, 8715), (35, 7470), (42, 6225), (45, 5810), (50, 5229), (63, 4150), (70, 3735), (75, 3486), (83, 3150), (90, 2905), (105, 2490), (126, 2075), (150, 1743), (166, 1575), (175, 1494), (210, 1245), (225, 1162), (249, 1050), (315, 830), (350, 747), (415, 630), (450, 581), (498, 525)]