31045860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7499}}^1$

素因数の和:7537

約数の個数: 72

約数和(自身を含む): 98280000

約数和(自身を除く): 67234140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7499, 14998, 22497, 29996, 37495, 44994, 67491, 74990, 89988, 112485, 134982, 149980, 172477, 224970, 269964, 337455, 344954, 449940, 517431, 674910, 689908, 862385, 1034862, 1349820, 1552293, 1724770, 2069724, 2587155, 3104586, 3449540, 5174310, 6209172, 7761465, 10348620, 15522930, 31045860]

約数ペア:

[(1, 31045860), (2, 15522930), (3, 10348620), (4, 7761465), (5, 6209172), (6, 5174310), (9, 3449540), (10, 3104586), (12, 2587155), (15, 2069724), (18, 1724770), (20, 1552293), (23, 1349820), (30, 1034862), (36, 862385), (45, 689908), (46, 674910), (60, 517431), (69, 449940), (90, 344954), (92, 337455), (115, 269964), (138, 224970), (180, 172477), (207, 149980), (230, 134982), (276, 112485), (345, 89988), (414, 74990), (460, 67491), (690, 44994), (828, 37495), (1035, 29996), (1380, 22497), (2070, 14998), (4140, 7499)]