31217280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 101347200

約数和(自身を除く): 70129920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 229, 240, 284, 320, 355, 384, 426, 458, 480, 568, 640, 687, 710, 852, 916, 960, 1065, 1136, 1145, 1374, 1420, 1704, 1832, 1920, 2130, 2272, 2290, 2748, 2840, 3408, 3435, 3664, 4260, 4544, 4580, 5496, 5680, 6816, 6870, 7328, 8520, 9088, 9160, 10992, 11360, 13632, 13740, 14656, 16259, 17040, 18320, 21984, 22720, 27264, 27480, 29312, 32518, 34080, 36640, 43968, 45440, 48777, 54960, 65036, 68160, 73280, 81295, 87936, 97554, 109920, 130072, 136320, 146560, 162590, 195108, 219840, 243885, 260144, 325180, 390216, 439680, 487770, 520288, 650360, 780432, 975540, 1040576, 1300720, 1560864, 1951080, 2081152, 2601440, 3121728, 3902160, 5202880, 6243456, 7804320, 10405760, 15608640, 31217280]

約数ペア:

[(1, 31217280), (2, 15608640), (3, 10405760), (4, 7804320), (5, 6243456), (6, 5202880), (8, 3902160), (10, 3121728), (12, 2601440), (15, 2081152), (16, 1951080), (20, 1560864), (24, 1300720), (30, 1040576), (32, 975540), (40, 780432), (48, 650360), (60, 520288), (64, 487770), (71, 439680), (80, 390216), (96, 325180), (120, 260144), (128, 243885), (142, 219840), (160, 195108), (192, 162590), (213, 146560), (229, 136320), (240, 130072), (284, 109920), (320, 97554), (355, 87936), (384, 81295), (426, 73280), (458, 68160), (480, 65036), (568, 54960), (640, 48777), (687, 45440), (710, 43968), (852, 36640), (916, 34080), (960, 32518), (1065, 29312), (1136, 27480), (1145, 27264), (1374, 22720), (1420, 21984), (1704, 18320), (1832, 17040), (1920, 16259), (2130, 14656), (2272, 13740), (2290, 13632), (2748, 11360), (2840, 10992), (3408, 9160), (3435, 9088), (3664, 8520), (4260, 7328), (4544, 6870), (4580, 6816), (5496, 5680)]