317916160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2059

約数の個数: 88

約数和(自身を含む): 787620096

約数和(自身を除く): 469703936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2003, 2480, 2560, 3968, 4006, 4960, 5120, 7936, 8012, 9920, 10015, 15872, 16024, 19840, 20030, 31744, 32048, 39680, 40060, 62093, 64096, 79360, 80120, 124186, 128192, 158720, 160240, 248372, 256384, 310465, 320480, 496744, 512768, 620930, 640960, 993488, 1025536, 1241860, 1281920, 1986976, 2051072, 2483720, 2563840, 3973952, 4967440, 5127680, 7947904, 9934880, 10255360, 15895808, 19869760, 31791616, 39739520, 63583232, 79479040, 158958080, 317916160]

約数ペア:

[(1, 317916160), (2, 158958080), (4, 79479040), (5, 63583232), (8, 39739520), (10, 31791616), (16, 19869760), (20, 15895808), (31, 10255360), (32, 9934880), (40, 7947904), (62, 5127680), (64, 4967440), (80, 3973952), (124, 2563840), (128, 2483720), (155, 2051072), (160, 1986976), (248, 1281920), (256, 1241860), (310, 1025536), (320, 993488), (496, 640960), (512, 620930), (620, 512768), (640, 496744), (992, 320480), (1024, 310465), (1240, 256384), (1280, 248372), (1984, 160240), (2003, 158720), (2480, 128192), (2560, 124186), (3968, 80120), (4006, 79360), (4960, 64096), (5120, 62093), (7936, 40060), (8012, 39680), (9920, 32048), (10015, 31744), (15872, 20030), (16024, 19840)]