31320036

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 87141600

約数和(自身を除く): 55821564

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 396, 417, 556, 569, 834, 1138, 1251, 1529, 1668, 1707, 2276, 2502, 3058, 3414, 4587, 5004, 5121, 6116, 6259, 6828, 9174, 10242, 12518, 13761, 18348, 18777, 20484, 25036, 27522, 37554, 55044, 56331, 75108, 79091, 112662, 158182, 225324, 237273, 316364, 474546, 711819, 870001, 949092, 1423638, 1740002, 2610003, 2847276, 3480004, 5220006, 7830009, 10440012, 15660018, 31320036]

約数ペア:

[(1, 31320036), (2, 15660018), (3, 10440012), (4, 7830009), (6, 5220006), (9, 3480004), (11, 2847276), (12, 2610003), (18, 1740002), (22, 1423638), (33, 949092), (36, 870001), (44, 711819), (66, 474546), (99, 316364), (132, 237273), (139, 225324), (198, 158182), (278, 112662), (396, 79091), (417, 75108), (556, 56331), (569, 55044), (834, 37554), (1138, 27522), (1251, 25036), (1529, 20484), (1668, 18777), (1707, 18348), (2276, 13761), (2502, 12518), (3058, 10242), (3414, 9174), (4587, 6828), (5004, 6259), (5121, 6116)]