407820420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{35963}}^1$

素因数の和:35991

約数の個数: 120

約数和(自身を含む): 1462152384

約数和(自身を除く): 1054331964

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, 35963, 71926, 107889, 143852, 179815, 215778, 251741, 323667, 359630, 431556, 503482, 539445, 647334, 719260, 755223, 971001, 1006964, 1078890, 1258705, 1294668, 1510446, 1618335, 1942002, 2157780, 2265669, 2517410, 2913003, 3020892, 3236670, 3776115, 3884004, 4531338, 4855005, 5034820, 5826006, 6473340, 6797007, 7552230, 9062676, 9710010, 11328345, 11652012, 13594014, 14565015, 15104460, 19420020, 20391021, 22656690, 27188028, 29130030, 33985035, 40782042, 45313380, 58260060, 67970070, 81564084, 101955105, 135940140, 203910210, 407820420]

約数ペア:

[(1, 407820420), (2, 203910210), (3, 135940140), (4, 101955105), (5, 81564084), (6, 67970070), (7, 58260060), (9, 45313380), (10, 40782042), (12, 33985035), (14, 29130030), (15, 27188028), (18, 22656690), (20, 20391021), (21, 19420020), (27, 15104460), (28, 14565015), (30, 13594014), (35, 11652012), (36, 11328345), (42, 9710010), (45, 9062676), (54, 7552230), (60, 6797007), (63, 6473340), (70, 5826006), (81, 5034820), (84, 4855005), (90, 4531338), (105, 3884004), (108, 3776115), (126, 3236670), (135, 3020892), (140, 2913003), (162, 2517410), (180, 2265669), (189, 2157780), (210, 1942002), (252, 1618335), (270, 1510446), (315, 1294668), (324, 1258705), (378, 1078890), (405, 1006964), (420, 971001), (540, 755223), (567, 719260), (630, 647334), (756, 539445), (810, 503482), (945, 431556), (1134, 359630), (1260, 323667), (1620, 251741), (1890, 215778), (2268, 179815), (2835, 143852), (3780, 107889), (5670, 71926), (11340, 35963)]