31425660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 144

約数和(自身を含む): 111384000

約数和(自身を除く): 79958340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 509, 588, 630, 686, 735, 882, 980, 1018, 1029, 1260, 1372, 1470, 1527, 1715, 1764, 2036, 2058, 2205, 2545, 2940, 3054, 3087, 3430, 3563, 4116, 4410, 4581, 5090, 5145, 6108, 6174, 6860, 7126, 7635, 8820, 9162, 10180, 10290, 10689, 12348, 14252, 15270, 15435, 17815, 18324, 20580, 21378, 22905, 24941, 30540, 30870, 32067, 35630, 42756, 45810, 49882, 53445, 61740, 64134, 71260, 74823, 91620, 99764, 106890, 124705, 128268, 149646, 160335, 174587, 213780, 224469, 249410, 299292, 320670, 349174, 374115, 448938, 498820, 523761, 641340, 698348, 748230, 872935, 897876, 1047522, 1122345, 1496460, 1571283, 1745870, 2095044, 2244690, 2618805, 3142566, 3491740, 4489380, 5237610, 6285132, 7856415, 10475220, 15712830, 31425660]

約数ペア:

[(1, 31425660), (2, 15712830), (3, 10475220), (4, 7856415), (5, 6285132), (6, 5237610), (7, 4489380), (9, 3491740), (10, 3142566), (12, 2618805), (14, 2244690), (15, 2095044), (18, 1745870), (20, 1571283), (21, 1496460), (28, 1122345), (30, 1047522), (35, 897876), (36, 872935), (42, 748230), (45, 698348), (49, 641340), (60, 523761), (63, 498820), (70, 448938), (84, 374115), (90, 349174), (98, 320670), (105, 299292), (126, 249410), (140, 224469), (147, 213780), (180, 174587), (196, 160335), (210, 149646), (245, 128268), (252, 124705), (294, 106890), (315, 99764), (343, 91620), (420, 74823), (441, 71260), (490, 64134), (509, 61740), (588, 53445), (630, 49882), (686, 45810), (735, 42756), (882, 35630), (980, 32067), (1018, 30870), (1029, 30540), (1260, 24941), (1372, 22905), (1470, 21378), (1527, 20580), (1715, 18324), (1764, 17815), (2036, 15435), (2058, 15270), (2205, 14252), (2545, 12348), (2940, 10689), (3054, 10290), (3087, 10180), (3430, 9162), (3563, 8820), (4116, 7635), (4410, 7126), (4581, 6860), (5090, 6174), (5145, 6108)]