317618560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2344

約数の個数: 128

約数和(自身を含む): 896163840

約数和(自身を除く): 578545280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2287, 2480, 3472, 3968, 4340, 4480, 4574, 4960, 6944, 8680, 9148, 9920, 11435, 13888, 16009, 17360, 18296, 19840, 22870, 27776, 32018, 34720, 36592, 45740, 64036, 69440, 70897, 73184, 80045, 91480, 128072, 138880, 141794, 146368, 160090, 182960, 256144, 283588, 292736, 320180, 354485, 365920, 496279, 512288, 567176, 640360, 708970, 731840, 992558, 1024576, 1134352, 1280720, 1417940, 1463680, 1985116, 2049152, 2268704, 2481395, 2561440, 2835880, 3970232, 4537408, 4962790, 5122880, 5671760, 7940464, 9074816, 9925580, 10245760, 11343520, 15880928, 19851160, 22687040, 31761856, 39702320, 45374080, 63523712, 79404640, 158809280, 317618560]

約数ペア:

[(1, 317618560), (2, 158809280), (4, 79404640), (5, 63523712), (7, 45374080), (8, 39702320), (10, 31761856), (14, 22687040), (16, 19851160), (20, 15880928), (28, 11343520), (31, 10245760), (32, 9925580), (35, 9074816), (40, 7940464), (56, 5671760), (62, 5122880), (64, 4962790), (70, 4537408), (80, 3970232), (112, 2835880), (124, 2561440), (128, 2481395), (140, 2268704), (155, 2049152), (160, 1985116), (217, 1463680), (224, 1417940), (248, 1280720), (280, 1134352), (310, 1024576), (320, 992558), (434, 731840), (448, 708970), (496, 640360), (560, 567176), (620, 512288), (640, 496279), (868, 365920), (896, 354485), (992, 320180), (1085, 292736), (1120, 283588), (1240, 256144), (1736, 182960), (1984, 160090), (2170, 146368), (2240, 141794), (2287, 138880), (2480, 128072), (3472, 91480), (3968, 80045), (4340, 73184), (4480, 70897), (4574, 69440), (4960, 64036), (6944, 45740), (8680, 36592), (9148, 34720), (9920, 32018), (11435, 27776), (13888, 22870), (16009, 19840), (17360, 18296)]