255556560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:762

約数の個数: 240

約数和(自身を含む): 952653312

約数和(自身を除く): 697096752

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, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 701, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1402, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2103, 2170, 2352, 2480, 2604, 2804, 2940, 3038, 3255, 3472, 3505, 3720, 3920, 4206, 4340, 4557, 4907, 5208, 5608, 5880, 6076, 6510, 7010, 7440, 7595, 8412, 8680, 9114, 9814, 10416, 10515, 11216, 11760, 12152, 13020, 14020, 14721, 15190, 16824, 17360, 18228, 19628, 21030, 21731, 22785, 24304, 24535, 26040, 28040, 29442, 30380, 33648, 34349, 36456, 39256, 42060, 43462, 45570, 49070, 52080, 56080, 58884, 60760, 65193, 68698, 72912, 73605, 78512, 84120, 86924, 91140, 98140, 103047, 108655, 117768, 121520, 130386, 137396, 147210, 152117, 168240, 171745, 173848, 182280, 196280, 206094, 217310, 235536, 260772, 274792, 294420, 304234, 325965, 343490, 347696, 364560, 392560, 412188, 434620, 456351, 515235, 521544, 549584, 588840, 608468, 651930, 686980, 760585, 824376, 869240, 912702, 1030470, 1043088, 1064819, 1177680, 1216936, 1303860, 1373960, 1521170, 1648752, 1738480, 1825404, 2060940, 2129638, 2281755, 2433872, 2607720, 2747920, 3042340, 3194457, 3650808, 4121880, 4259276, 4563510, 5215440, 5324095, 6084680, 6388914, 7301616, 8243760, 8518552, 9127020, 10648190, 12169360, 12777828, 15972285, 17037104, 18254040, 21296380, 25555656, 31944570, 36508080, 42592760, 51111312, 63889140, 85185520, 127778280, 255556560]

約数ペア:

[(1, 255556560), (2, 127778280), (3, 85185520), (4, 63889140), (5, 51111312), (6, 42592760), (7, 36508080), (8, 31944570), (10, 25555656), (12, 21296380), (14, 18254040), (15, 17037104), (16, 15972285), (20, 12777828), (21, 12169360), (24, 10648190), (28, 9127020), (30, 8518552), (31, 8243760), (35, 7301616), (40, 6388914), (42, 6084680), (48, 5324095), (49, 5215440), (56, 4563510), (60, 4259276), (62, 4121880), (70, 3650808), (80, 3194457), (84, 3042340), (93, 2747920), (98, 2607720), (105, 2433872), (112, 2281755), (120, 2129638), (124, 2060940), (140, 1825404), (147, 1738480), (155, 1648752), (168, 1521170), (186, 1373960), (196, 1303860), (210, 1216936), (217, 1177680), (240, 1064819), (245, 1043088), (248, 1030470), (280, 912702), (294, 869240), (310, 824376), (336, 760585), (372, 686980), (392, 651930), (420, 608468), (434, 588840), (465, 549584), (490, 521544), (496, 515235), (560, 456351), (588, 434620), (620, 412188), (651, 392560), (701, 364560), (735, 347696), (744, 343490), (784, 325965), (840, 304234), (868, 294420), (930, 274792), (980, 260772), (1085, 235536), (1176, 217310), (1240, 206094), (1302, 196280), (1402, 182280), (1470, 173848), (1488, 171745), (1519, 168240), (1680, 152117), (1736, 147210), (1860, 137396), (1960, 130386), (2103, 121520), (2170, 117768), (2352, 108655), (2480, 103047), (2604, 98140), (2804, 91140), (2940, 86924), (3038, 84120), (3255, 78512), (3472, 73605), (3505, 72912), (3720, 68698), (3920, 65193), (4206, 60760), (4340, 58884), (4557, 56080), (4907, 52080), (5208, 49070), (5608, 45570), (5880, 43462), (6076, 42060), (6510, 39256), (7010, 36456), (7440, 34349), (7595, 33648), (8412, 30380), (8680, 29442), (9114, 28040), (9814, 26040), (10416, 24535), (10515, 24304), (11216, 22785), (11760, 21731), (12152, 21030), (13020, 19628), (14020, 18228), (14721, 17360), (15190, 16824)]