181366880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 458045280

約数和(自身を除く): 276678400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 131, 136, 160, 170, 262, 272, 340, 509, 524, 544, 655, 680, 1018, 1048, 1310, 1360, 2036, 2096, 2227, 2545, 2620, 2720, 4072, 4192, 4454, 5090, 5240, 8144, 8653, 8908, 10180, 10480, 11135, 16288, 17306, 17816, 20360, 20960, 22270, 34612, 35632, 40720, 43265, 44540, 66679, 69224, 71264, 81440, 86530, 89080, 133358, 138448, 173060, 178160, 266716, 276896, 333395, 346120, 356320, 533432, 666790, 692240, 1066864, 1133543, 1333580, 1384480, 2133728, 2267086, 2667160, 4534172, 5334320, 5667715, 9068344, 10668640, 11335430, 18136688, 22670860, 36273376, 45341720, 90683440, 181366880]

約数ペア:

[(1, 181366880), (2, 90683440), (4, 45341720), (5, 36273376), (8, 22670860), (10, 18136688), (16, 11335430), (17, 10668640), (20, 9068344), (32, 5667715), (34, 5334320), (40, 4534172), (68, 2667160), (80, 2267086), (85, 2133728), (131, 1384480), (136, 1333580), (160, 1133543), (170, 1066864), (262, 692240), (272, 666790), (340, 533432), (509, 356320), (524, 346120), (544, 333395), (655, 276896), (680, 266716), (1018, 178160), (1048, 173060), (1310, 138448), (1360, 133358), (2036, 89080), (2096, 86530), (2227, 81440), (2545, 71264), (2620, 69224), (2720, 66679), (4072, 44540), (4192, 43265), (4454, 40720), (5090, 35632), (5240, 34612), (8144, 22270), (8653, 20960), (8908, 20360), (10180, 17816), (10480, 17306), (11135, 16288)]