261699840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22717}}^1$

素因数の和:22744

約数の個数: 108

約数和(自身を含む): 905494044

約数和(自身を除く): 643794204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22717, 45434, 68151, 90868, 113585, 136302, 181736, 204453, 227170, 272604, 340755, 363472, 408906, 454340, 545208, 681510, 726944, 817812, 908680, 1022265, 1090416, 1363020, 1453888, 1635624, 1817360, 2044530, 2180832, 2726040, 2907776, 3271248, 3634720, 4089060, 4361664, 5452080, 5815552, 6542496, 7269440, 8178120, 8723328, 10904160, 13084992, 14538880, 16356240, 17446656, 21808320, 26169984, 29077760, 32712480, 43616640, 52339968, 65424960, 87233280, 130849920, 261699840]

約数ペア:

[(1, 261699840), (2, 130849920), (3, 87233280), (4, 65424960), (5, 52339968), (6, 43616640), (8, 32712480), (9, 29077760), (10, 26169984), (12, 21808320), (15, 17446656), (16, 16356240), (18, 14538880), (20, 13084992), (24, 10904160), (30, 8723328), (32, 8178120), (36, 7269440), (40, 6542496), (45, 5815552), (48, 5452080), (60, 4361664), (64, 4089060), (72, 3634720), (80, 3271248), (90, 2907776), (96, 2726040), (120, 2180832), (128, 2044530), (144, 1817360), (160, 1635624), (180, 1453888), (192, 1363020), (240, 1090416), (256, 1022265), (288, 908680), (320, 817812), (360, 726944), (384, 681510), (480, 545208), (576, 454340), (640, 408906), (720, 363472), (768, 340755), (960, 272604), (1152, 227170), (1280, 204453), (1440, 181736), (1920, 136302), (2304, 113585), (2880, 90868), (3840, 68151), (5760, 45434), (11520, 22717)]