31382820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24907}}^1$

素因数の和:24929

約数の個数: 72

約数和(自身を含む): 108798144

約数和(自身を除く): 77415324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24907, 49814, 74721, 99628, 124535, 149442, 174349, 224163, 249070, 298884, 348698, 373605, 448326, 498140, 523047, 697396, 747210, 871745, 896652, 1046094, 1120815, 1494420, 1569141, 1743490, 2092188, 2241630, 2615235, 3138282, 3486980, 4483260, 5230470, 6276564, 7845705, 10460940, 15691410, 31382820]

約数ペア:

[(1, 31382820), (2, 15691410), (3, 10460940), (4, 7845705), (5, 6276564), (6, 5230470), (7, 4483260), (9, 3486980), (10, 3138282), (12, 2615235), (14, 2241630), (15, 2092188), (18, 1743490), (20, 1569141), (21, 1494420), (28, 1120815), (30, 1046094), (35, 896652), (36, 871745), (42, 747210), (45, 697396), (60, 523047), (63, 498140), (70, 448326), (84, 373605), (90, 348698), (105, 298884), (126, 249070), (140, 224163), (180, 174349), (210, 149442), (252, 124535), (315, 99628), (420, 74721), (630, 49814), (1260, 24907)]