51142560

素因数分解:

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

素因数の和:547

約数の個数: 192

約数和(自身を含む): 190439424

約数和(自身を除く): 139296864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 491, 496, 560, 620, 651, 672, 744, 840, 868, 930, 982, 992, 1085, 1120, 1240, 1302, 1473, 1488, 1680, 1736, 1860, 1964, 2170, 2455, 2480, 2604, 2946, 2976, 3255, 3360, 3437, 3472, 3720, 3928, 4340, 4910, 4960, 5208, 5892, 6510, 6874, 6944, 7365, 7440, 7856, 8680, 9820, 10311, 10416, 11784, 13020, 13748, 14730, 14880, 15221, 15712, 17185, 17360, 19640, 20622, 20832, 23568, 26040, 27496, 29460, 30442, 34370, 34720, 39280, 41244, 45663, 47136, 51555, 52080, 54992, 58920, 60884, 68740, 76105, 78560, 82488, 91326, 103110, 104160, 106547, 109984, 117840, 121768, 137480, 152210, 164976, 182652, 206220, 213094, 228315, 235680, 243536, 274960, 304420, 319641, 329952, 365304, 412440, 426188, 456630, 487072, 532735, 549920, 608840, 639282, 730608, 824880, 852376, 913260, 1065470, 1217680, 1278564, 1461216, 1598205, 1649760, 1704752, 1826520, 2130940, 2435360, 2557128, 3196410, 3409504, 3653040, 4261880, 5114256, 6392820, 7306080, 8523760, 10228512, 12785640, 17047520, 25571280, 51142560]

約数ペア:

[(1, 51142560), (2, 25571280), (3, 17047520), (4, 12785640), (5, 10228512), (6, 8523760), (7, 7306080), (8, 6392820), (10, 5114256), (12, 4261880), (14, 3653040), (15, 3409504), (16, 3196410), (20, 2557128), (21, 2435360), (24, 2130940), (28, 1826520), (30, 1704752), (31, 1649760), (32, 1598205), (35, 1461216), (40, 1278564), (42, 1217680), (48, 1065470), (56, 913260), (60, 852376), (62, 824880), (70, 730608), (80, 639282), (84, 608840), (93, 549920), (96, 532735), (105, 487072), (112, 456630), (120, 426188), (124, 412440), (140, 365304), (155, 329952), (160, 319641), (168, 304420), (186, 274960), (210, 243536), (217, 235680), (224, 228315), (240, 213094), (248, 206220), (280, 182652), (310, 164976), (336, 152210), (372, 137480), (420, 121768), (434, 117840), (465, 109984), (480, 106547), (491, 104160), (496, 103110), (560, 91326), (620, 82488), (651, 78560), (672, 76105), (744, 68740), (840, 60884), (868, 58920), (930, 54992), (982, 52080), (992, 51555), (1085, 47136), (1120, 45663), (1240, 41244), (1302, 39280), (1473, 34720), (1488, 34370), (1680, 30442), (1736, 29460), (1860, 27496), (1964, 26040), (2170, 23568), (2455, 20832), (2480, 20622), (2604, 19640), (2946, 17360), (2976, 17185), (3255, 15712), (3360, 15221), (3437, 14880), (3472, 14730), (3720, 13748), (3928, 13020), (4340, 11784), (4910, 10416), (4960, 10311), (5208, 9820), (5892, 8680), (6510, 7856), (6874, 7440), (6944, 7365)]