31530420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3727}}^1$

素因数の和:3789

約数の個数: 72

約数和(自身を含む): 97703424

約数和(自身を除く): 66173004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 3727, 4230, 7454, 8460, 11181, 14908, 18635, 22362, 33543, 37270, 44724, 55905, 67086, 74540, 111810, 134172, 167715, 175169, 223620, 335430, 350338, 525507, 670860, 700676, 875845, 1051014, 1576521, 1751690, 2102028, 2627535, 3153042, 3503380, 5255070, 6306084, 7882605, 10510140, 15765210, 31530420]

約数ペア:

[(1, 31530420), (2, 15765210), (3, 10510140), (4, 7882605), (5, 6306084), (6, 5255070), (9, 3503380), (10, 3153042), (12, 2627535), (15, 2102028), (18, 1751690), (20, 1576521), (30, 1051014), (36, 875845), (45, 700676), (47, 670860), (60, 525507), (90, 350338), (94, 335430), (141, 223620), (180, 175169), (188, 167715), (235, 134172), (282, 111810), (423, 74540), (470, 67086), (564, 55905), (705, 44724), (846, 37270), (940, 33543), (1410, 22362), (1692, 18635), (2115, 14908), (2820, 11181), (3727, 8460), (4230, 7454)]