251139760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3406

約数の個数: 80

約数和(自身を含む): 624335040

約数和(自身を除く): 373195280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 920, 943, 1640, 1840, 1886, 3280, 3329, 3772, 4715, 6658, 7544, 9430, 13316, 15088, 16645, 18860, 26632, 33290, 37720, 53264, 66580, 75440, 76567, 133160, 136489, 153134, 266320, 272978, 306268, 382835, 545956, 612536, 682445, 765670, 1091912, 1225072, 1364890, 1531340, 2183824, 2729780, 3062680, 3139247, 5459560, 6125360, 6278494, 10919120, 12556988, 15696235, 25113976, 31392470, 50227952, 62784940, 125569880, 251139760]

約数ペア:

[(1, 251139760), (2, 125569880), (4, 62784940), (5, 50227952), (8, 31392470), (10, 25113976), (16, 15696235), (20, 12556988), (23, 10919120), (40, 6278494), (41, 6125360), (46, 5459560), (80, 3139247), (82, 3062680), (92, 2729780), (115, 2183824), (164, 1531340), (184, 1364890), (205, 1225072), (230, 1091912), (328, 765670), (368, 682445), (410, 612536), (460, 545956), (656, 382835), (820, 306268), (920, 272978), (943, 266320), (1640, 153134), (1840, 136489), (1886, 133160), (3280, 76567), (3329, 75440), (3772, 66580), (4715, 53264), (6658, 37720), (7544, 33290), (9430, 26632), (13316, 18860), (15088, 16645)]