678319740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{76907}}^1$

素因数の和:76936

約数の個数: 108

約数和(自身を含む): 2393530776

約数和(自身を除く): 1715211036

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, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 76907, 153814, 230721, 307628, 384535, 461442, 538349, 692163, 769070, 922884, 1076698, 1153605, 1384326, 1538140, 1615047, 2153396, 2307210, 2691745, 2768652, 3230094, 3460815, 3768443, 4614420, 4845141, 5383490, 6460188, 6921630, 7536886, 8075235, 9690282, 10766980, 11305329, 13843260, 15073772, 16150470, 18842215, 19380564, 22610658, 24225705, 32300940, 33915987, 37684430, 45221316, 48451410, 56526645, 67831974, 75368860, 96902820, 113053290, 135663948, 169579935, 226106580, 339159870, 678319740]

約数ペア:

[(1, 678319740), (2, 339159870), (3, 226106580), (4, 169579935), (5, 135663948), (6, 113053290), (7, 96902820), (9, 75368860), (10, 67831974), (12, 56526645), (14, 48451410), (15, 45221316), (18, 37684430), (20, 33915987), (21, 32300940), (28, 24225705), (30, 22610658), (35, 19380564), (36, 18842215), (42, 16150470), (45, 15073772), (49, 13843260), (60, 11305329), (63, 10766980), (70, 9690282), (84, 8075235), (90, 7536886), (98, 6921630), (105, 6460188), (126, 5383490), (140, 4845141), (147, 4614420), (180, 3768443), (196, 3460815), (210, 3230094), (245, 2768652), (252, 2691745), (294, 2307210), (315, 2153396), (420, 1615047), (441, 1538140), (490, 1384326), (588, 1153605), (630, 1076698), (735, 922884), (882, 769070), (980, 692163), (1260, 538349), (1470, 461442), (1764, 384535), (2205, 307628), (2940, 230721), (4410, 153814), (8820, 76907)]