491260140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43321}}^1$

素因数の和:43349

約数の個数: 120

約数和(自身を含む): 1761299232

約数和(自身を除く): 1270039092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 43321, 86642, 129963, 173284, 216605, 259926, 303247, 389889, 433210, 519852, 606494, 649815, 779778, 866420, 909741, 1169667, 1212988, 1299630, 1516235, 1559556, 1819482, 1949445, 2339334, 2599260, 2729223, 3032470, 3509001, 3638964, 3898890, 4548705, 4678668, 5458446, 5848335, 6064940, 7018002, 7797780, 8187669, 9097410, 10916892, 11696670, 13646115, 14036004, 16375338, 17545005, 18194820, 23393340, 24563007, 27292230, 32750676, 35090010, 40938345, 49126014, 54584460, 70180020, 81876690, 98252028, 122815035, 163753380, 245630070, 491260140]

約数ペア:

[(1, 491260140), (2, 245630070), (3, 163753380), (4, 122815035), (5, 98252028), (6, 81876690), (7, 70180020), (9, 54584460), (10, 49126014), (12, 40938345), (14, 35090010), (15, 32750676), (18, 27292230), (20, 24563007), (21, 23393340), (27, 18194820), (28, 17545005), (30, 16375338), (35, 14036004), (36, 13646115), (42, 11696670), (45, 10916892), (54, 9097410), (60, 8187669), (63, 7797780), (70, 7018002), (81, 6064940), (84, 5848335), (90, 5458446), (105, 4678668), (108, 4548705), (126, 3898890), (135, 3638964), (140, 3509001), (162, 3032470), (180, 2729223), (189, 2599260), (210, 2339334), (252, 1949445), (270, 1819482), (315, 1559556), (324, 1516235), (378, 1299630), (405, 1212988), (420, 1169667), (540, 909741), (567, 866420), (630, 779778), (756, 649815), (810, 606494), (945, 519852), (1134, 433210), (1260, 389889), (1620, 303247), (1890, 259926), (2268, 216605), (2835, 173284), (3780, 129963), (5670, 86642), (11340, 43321)]