204570240

素因数分解:

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

素因数の和:551

約数の個数: 256

約数和(自身を含む): 770826240

約数和(自身を除く): 566256000

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, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 491, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 982, 992, 1085, 1120, 1240, 1302, 1344, 1473, 1488, 1680, 1736, 1860, 1920, 1964, 1984, 2170, 2240, 2455, 2480, 2604, 2688, 2946, 2976, 3255, 3360, 3437, 3472, 3720, 3928, 3968, 4340, 4480, 4910, 4960, 5208, 5892, 5952, 6510, 6720, 6874, 6944, 7365, 7440, 7856, 8680, 9820, 9920, 10311, 10416, 11784, 11904, 13020, 13440, 13748, 13888, 14730, 14880, 15221, 15712, 17185, 17360, 19640, 19840, 20622, 20832, 23568, 26040, 27496, 27776, 29460, 29760, 30442, 31424, 34370, 34720, 39280, 41244, 41664, 45663, 47136, 51555, 52080, 54992, 58920, 59520, 60884, 62848, 68740, 69440, 76105, 78560, 82488, 83328, 91326, 94272, 103110, 104160, 106547, 109984, 117840, 121768, 137480, 138880, 152210, 157120, 164976, 182652, 188544, 206220, 208320, 213094, 219968, 228315, 235680, 243536, 274960, 304420, 314240, 319641, 329952, 365304, 412440, 416640, 426188, 439936, 456630, 471360, 487072, 532735, 549920, 608840, 639282, 659904, 730608, 824880, 852376, 913260, 942720, 974144, 1065470, 1099840, 1217680, 1278564, 1319808, 1461216, 1598205, 1649760, 1704752, 1826520, 1948288, 2130940, 2199680, 2435360, 2557128, 2922432, 3196410, 3299520, 3409504, 3653040, 4261880, 4870720, 5114256, 5844864, 6392820, 6599040, 6819008, 7306080, 8523760, 9741440, 10228512, 12785640, 13638016, 14612160, 17047520, 20457024, 25571280, 29224320, 34095040, 40914048, 51142560, 68190080, 102285120, 204570240]

約数ペア:

[(1, 204570240), (2, 102285120), (3, 68190080), (4, 51142560), (5, 40914048), (6, 34095040), (7, 29224320), (8, 25571280), (10, 20457024), (12, 17047520), (14, 14612160), (15, 13638016), (16, 12785640), (20, 10228512), (21, 9741440), (24, 8523760), (28, 7306080), (30, 6819008), (31, 6599040), (32, 6392820), (35, 5844864), (40, 5114256), (42, 4870720), (48, 4261880), (56, 3653040), (60, 3409504), (62, 3299520), (64, 3196410), (70, 2922432), (80, 2557128), (84, 2435360), (93, 2199680), (96, 2130940), (105, 1948288), (112, 1826520), (120, 1704752), (124, 1649760), (128, 1598205), (140, 1461216), (155, 1319808), (160, 1278564), (168, 1217680), (186, 1099840), (192, 1065470), (210, 974144), (217, 942720), (224, 913260), (240, 852376), (248, 824880), (280, 730608), (310, 659904), (320, 639282), (336, 608840), (372, 549920), (384, 532735), (420, 487072), (434, 471360), (448, 456630), (465, 439936), (480, 426188), (491, 416640), (496, 412440), (560, 365304), (620, 329952), (640, 319641), (651, 314240), (672, 304420), (744, 274960), (840, 243536), (868, 235680), (896, 228315), (930, 219968), (960, 213094), (982, 208320), (992, 206220), (1085, 188544), (1120, 182652), (1240, 164976), (1302, 157120), (1344, 152210), (1473, 138880), (1488, 137480), (1680, 121768), (1736, 117840), (1860, 109984), (1920, 106547), (1964, 104160), (1984, 103110), (2170, 94272), (2240, 91326), (2455, 83328), (2480, 82488), (2604, 78560), (2688, 76105), (2946, 69440), (2976, 68740), (3255, 62848), (3360, 60884), (3437, 59520), (3472, 58920), (3720, 54992), (3928, 52080), (3968, 51555), (4340, 47136), (4480, 45663), (4910, 41664), (4960, 41244), (5208, 39280), (5892, 34720), (5952, 34370), (6510, 31424), (6720, 30442), (6874, 29760), (6944, 29460), (7365, 27776), (7440, 27496), (7856, 26040), (8680, 23568), (9820, 20832), (9920, 20622), (10311, 19840), (10416, 19640), (11784, 17360), (11904, 17185), (13020, 15712), (13440, 15221), (13748, 14880), (13888, 14730)]