277205880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1349

約数の個数: 128

約数和(自身を含む): 954247680

約数和(自身を除く): 677041800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 662, 840, 993, 997, 1324, 1655, 1986, 1994, 2317, 2648, 2991, 3310, 3972, 3988, 4634, 4965, 4985, 5982, 6620, 6951, 6979, 7944, 7976, 9268, 9930, 9970, 11585, 11964, 13240, 13902, 13958, 14955, 18536, 19860, 19940, 20937, 23170, 23928, 27804, 27916, 29910, 34755, 34895, 39720, 39880, 41874, 46340, 55608, 55832, 59820, 69510, 69790, 83748, 92680, 104685, 119640, 139020, 139580, 167496, 209370, 278040, 279160, 330007, 418740, 660014, 837480, 990021, 1320028, 1650035, 1980042, 2310049, 2640056, 3300070, 3960084, 4620098, 4950105, 6600140, 6930147, 7920168, 9240196, 9900210, 11550245, 13200280, 13860294, 18480392, 19800420, 23100490, 27720588, 34650735, 39600840, 46200980, 55441176, 69301470, 92401960, 138602940, 277205880]

約数ペア:

[(1, 277205880), (2, 138602940), (3, 92401960), (4, 69301470), (5, 55441176), (6, 46200980), (7, 39600840), (8, 34650735), (10, 27720588), (12, 23100490), (14, 19800420), (15, 18480392), (20, 13860294), (21, 13200280), (24, 11550245), (28, 9900210), (30, 9240196), (35, 7920168), (40, 6930147), (42, 6600140), (56, 4950105), (60, 4620098), (70, 3960084), (84, 3300070), (105, 2640056), (120, 2310049), (140, 1980042), (168, 1650035), (210, 1320028), (280, 990021), (331, 837480), (420, 660014), (662, 418740), (840, 330007), (993, 279160), (997, 278040), (1324, 209370), (1655, 167496), (1986, 139580), (1994, 139020), (2317, 119640), (2648, 104685), (2991, 92680), (3310, 83748), (3972, 69790), (3988, 69510), (4634, 59820), (4965, 55832), (4985, 55608), (5982, 46340), (6620, 41874), (6951, 39880), (6979, 39720), (7944, 34895), (7976, 34755), (9268, 29910), (9930, 27916), (9970, 27804), (11585, 23928), (11964, 23170), (13240, 20937), (13902, 19940), (13958, 19860), (14955, 18536)]