123479820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22129}}^1$

素因数の和:22175

約数の個数: 72

約数和(自身を含む): 386655360

約数和(自身を除く): 263175540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 22129, 44258, 66387, 88516, 110645, 132774, 199161, 221290, 265548, 331935, 398322, 442580, 663870, 685999, 796644, 995805, 1327740, 1371998, 1991610, 2057997, 2743996, 3429995, 3983220, 4115994, 6173991, 6859990, 8231988, 10289985, 12347982, 13719980, 20579970, 24695964, 30869955, 41159940, 61739910, 123479820]

約数ペア:

[(1, 123479820), (2, 61739910), (3, 41159940), (4, 30869955), (5, 24695964), (6, 20579970), (9, 13719980), (10, 12347982), (12, 10289985), (15, 8231988), (18, 6859990), (20, 6173991), (30, 4115994), (31, 3983220), (36, 3429995), (45, 2743996), (60, 2057997), (62, 1991610), (90, 1371998), (93, 1327740), (124, 995805), (155, 796644), (180, 685999), (186, 663870), (279, 442580), (310, 398322), (372, 331935), (465, 265548), (558, 221290), (620, 199161), (930, 132774), (1116, 110645), (1395, 88516), (1860, 66387), (2790, 44258), (5580, 22129)]