1317120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^3$

素因数の和:45

約数の個数: 144

約数和(自身を含む): 4905600

約数和(自身を除く): 3588480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1568, 1680, 1715, 1792, 1920, 1960, 2058, 2240, 2352, 2688, 2744, 2940, 3136, 3360, 3430, 3840, 3920, 4116, 4480, 4704, 5145, 5376, 5488, 5880, 6272, 6720, 6860, 7840, 8232, 8960, 9408, 10290, 10976, 11760, 12544, 13440, 13720, 15680, 16464, 18816, 20580, 21952, 23520, 26880, 27440, 31360, 32928, 37632, 41160, 43904, 47040, 54880, 62720, 65856, 82320, 87808, 94080, 109760, 131712, 164640, 188160, 219520, 263424, 329280, 439040, 658560, 1317120]

約数ペア:

[(1, 1317120), (2, 658560), (3, 439040), (4, 329280), (5, 263424), (6, 219520), (7, 188160), (8, 164640), (10, 131712), (12, 109760), (14, 94080), (15, 87808), (16, 82320), (20, 65856), (21, 62720), (24, 54880), (28, 47040), (30, 43904), (32, 41160), (35, 37632), (40, 32928), (42, 31360), (48, 27440), (49, 26880), (56, 23520), (60, 21952), (64, 20580), (70, 18816), (80, 16464), (84, 15680), (96, 13720), (98, 13440), (105, 12544), (112, 11760), (120, 10976), (128, 10290), (140, 9408), (147, 8960), (160, 8232), (168, 7840), (192, 6860), (196, 6720), (210, 6272), (224, 5880), (240, 5488), (245, 5376), (256, 5145), (280, 4704), (294, 4480), (320, 4116), (336, 3920), (343, 3840), (384, 3430), (392, 3360), (420, 3136), (448, 2940), (480, 2744), (490, 2688), (560, 2352), (588, 2240), (640, 2058), (672, 1960), (686, 1920), (735, 1792), (768, 1715), (784, 1680), (840, 1568), (896, 1470), (960, 1372), (980, 1344), (1029, 1280), (1120, 1176)]