256006560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23189}}^1$

素因数の和:23230

約数の個数: 96

約数和(自身を含む): 841518720

約数和(自身を除く): 585512160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3680, 5520, 11040, 23189, 46378, 69567, 92756, 115945, 139134, 185512, 231890, 278268, 347835, 371024, 463780, 533347, 556536, 695670, 742048, 927560, 1066694, 1113072, 1391340, 1600041, 1855120, 2133388, 2226144, 2666735, 2782680, 3200082, 3710240, 4266776, 5333470, 5565360, 6400164, 8000205, 8533552, 10666940, 11130720, 12800328, 16000410, 17067104, 21333880, 25600656, 32000820, 42667760, 51201312, 64001640, 85335520, 128003280, 256006560]

約数ペア:

[(1, 256006560), (2, 128003280), (3, 85335520), (4, 64001640), (5, 51201312), (6, 42667760), (8, 32000820), (10, 25600656), (12, 21333880), (15, 17067104), (16, 16000410), (20, 12800328), (23, 11130720), (24, 10666940), (30, 8533552), (32, 8000205), (40, 6400164), (46, 5565360), (48, 5333470), (60, 4266776), (69, 3710240), (80, 3200082), (92, 2782680), (96, 2666735), (115, 2226144), (120, 2133388), (138, 1855120), (160, 1600041), (184, 1391340), (230, 1113072), (240, 1066694), (276, 927560), (345, 742048), (368, 695670), (460, 556536), (480, 533347), (552, 463780), (690, 371024), (736, 347835), (920, 278268), (1104, 231890), (1380, 185512), (1840, 139134), (2208, 115945), (2760, 92756), (3680, 69567), (5520, 46378), (11040, 23189)]