420545280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{109517}}^1$

素因数の和:109541

約数の個数: 72

約数和(自身を含む): 1343128752

約数和(自身を除く): 922583472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 109517, 219034, 328551, 438068, 547585, 657102, 876136, 1095170, 1314204, 1642755, 1752272, 2190340, 2628408, 3285510, 3504544, 4380680, 5256816, 6571020, 7009088, 8761360, 10513632, 13142040, 14018176, 17522720, 21027264, 26284080, 28036352, 35045440, 42054528, 52568160, 70090880, 84109056, 105136320, 140181760, 210272640, 420545280]

約数ペア:

[(1, 420545280), (2, 210272640), (3, 140181760), (4, 105136320), (5, 84109056), (6, 70090880), (8, 52568160), (10, 42054528), (12, 35045440), (15, 28036352), (16, 26284080), (20, 21027264), (24, 17522720), (30, 14018176), (32, 13142040), (40, 10513632), (48, 8761360), (60, 7009088), (64, 6571020), (80, 5256816), (96, 4380680), (120, 3504544), (128, 3285510), (160, 2628408), (192, 2190340), (240, 1752272), (256, 1642755), (320, 1314204), (384, 1095170), (480, 876136), (640, 657102), (768, 547585), (960, 438068), (1280, 328551), (1920, 219034), (3840, 109517)]