12785640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 45342720

約数和(自身を除く): 32557080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 491, 620, 651, 744, 840, 868, 930, 982, 1085, 1240, 1302, 1473, 1736, 1860, 1964, 2170, 2455, 2604, 2946, 3255, 3437, 3720, 3928, 4340, 4910, 5208, 5892, 6510, 6874, 7365, 8680, 9820, 10311, 11784, 13020, 13748, 14730, 15221, 17185, 19640, 20622, 26040, 27496, 29460, 30442, 34370, 41244, 45663, 51555, 58920, 60884, 68740, 76105, 82488, 91326, 103110, 106547, 121768, 137480, 152210, 182652, 206220, 213094, 228315, 304420, 319641, 365304, 412440, 426188, 456630, 532735, 608840, 639282, 852376, 913260, 1065470, 1278564, 1598205, 1826520, 2130940, 2557128, 3196410, 4261880, 6392820, 12785640]

約数ペア:

[(1, 12785640), (2, 6392820), (3, 4261880), (4, 3196410), (5, 2557128), (6, 2130940), (7, 1826520), (8, 1598205), (10, 1278564), (12, 1065470), (14, 913260), (15, 852376), (20, 639282), (21, 608840), (24, 532735), (28, 456630), (30, 426188), (31, 412440), (35, 365304), (40, 319641), (42, 304420), (56, 228315), (60, 213094), (62, 206220), (70, 182652), (84, 152210), (93, 137480), (105, 121768), (120, 106547), (124, 103110), (140, 91326), (155, 82488), (168, 76105), (186, 68740), (210, 60884), (217, 58920), (248, 51555), (280, 45663), (310, 41244), (372, 34370), (420, 30442), (434, 29460), (465, 27496), (491, 26040), (620, 20622), (651, 19640), (744, 17185), (840, 15221), (868, 14730), (930, 13748), (982, 13020), (1085, 11784), (1240, 10311), (1302, 9820), (1473, 8680), (1736, 7365), (1860, 6874), (1964, 6510), (2170, 5892), (2455, 5208), (2604, 4910), (2946, 4340), (3255, 3928), (3437, 3720)]