25571280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 160

約数和(自身を含む): 93708288

約数和(自身を除く): 68137008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 491, 496, 560, 620, 651, 744, 840, 868, 930, 982, 1085, 1240, 1302, 1473, 1488, 1680, 1736, 1860, 1964, 2170, 2455, 2480, 2604, 2946, 3255, 3437, 3472, 3720, 3928, 4340, 4910, 5208, 5892, 6510, 6874, 7365, 7440, 7856, 8680, 9820, 10311, 10416, 11784, 13020, 13748, 14730, 15221, 17185, 17360, 19640, 20622, 23568, 26040, 27496, 29460, 30442, 34370, 39280, 41244, 45663, 51555, 52080, 54992, 58920, 60884, 68740, 76105, 82488, 91326, 103110, 106547, 117840, 121768, 137480, 152210, 164976, 182652, 206220, 213094, 228315, 243536, 274960, 304420, 319641, 365304, 412440, 426188, 456630, 532735, 608840, 639282, 730608, 824880, 852376, 913260, 1065470, 1217680, 1278564, 1598205, 1704752, 1826520, 2130940, 2557128, 3196410, 3653040, 4261880, 5114256, 6392820, 8523760, 12785640, 25571280]

約数ペア:

[(1, 25571280), (2, 12785640), (3, 8523760), (4, 6392820), (5, 5114256), (6, 4261880), (7, 3653040), (8, 3196410), (10, 2557128), (12, 2130940), (14, 1826520), (15, 1704752), (16, 1598205), (20, 1278564), (21, 1217680), (24, 1065470), (28, 913260), (30, 852376), (31, 824880), (35, 730608), (40, 639282), (42, 608840), (48, 532735), (56, 456630), (60, 426188), (62, 412440), (70, 365304), (80, 319641), (84, 304420), (93, 274960), (105, 243536), (112, 228315), (120, 213094), (124, 206220), (140, 182652), (155, 164976), (168, 152210), (186, 137480), (210, 121768), (217, 117840), (240, 106547), (248, 103110), (280, 91326), (310, 82488), (336, 76105), (372, 68740), (420, 60884), (434, 58920), (465, 54992), (491, 52080), (496, 51555), (560, 45663), (620, 41244), (651, 39280), (744, 34370), (840, 30442), (868, 29460), (930, 27496), (982, 26040), (1085, 23568), (1240, 20622), (1302, 19640), (1473, 17360), (1488, 17185), (1680, 15221), (1736, 14730), (1860, 13748), (1964, 13020), (2170, 11784), (2455, 10416), (2480, 10311), (2604, 9820), (2946, 8680), (3255, 7856), (3437, 7440), (3472, 7365), (3720, 6874), (3928, 6510), (4340, 5892), (4910, 5208)]