31860180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16091}}^1$

素因数の和:16117

約数の個数: 72

約数和(自身を含む): 105434784

約数和(自身を除く): 73574604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 16091, 32182, 48273, 64364, 80455, 96546, 144819, 160910, 177001, 193092, 241365, 289638, 321820, 354002, 482730, 531003, 579276, 708004, 724095, 885005, 965460, 1062006, 1448190, 1593009, 1770010, 2124012, 2655015, 2896380, 3186018, 3540020, 5310030, 6372036, 7965045, 10620060, 15930090, 31860180]

約数ペア:

[(1, 31860180), (2, 15930090), (3, 10620060), (4, 7965045), (5, 6372036), (6, 5310030), (9, 3540020), (10, 3186018), (11, 2896380), (12, 2655015), (15, 2124012), (18, 1770010), (20, 1593009), (22, 1448190), (30, 1062006), (33, 965460), (36, 885005), (44, 724095), (45, 708004), (55, 579276), (60, 531003), (66, 482730), (90, 354002), (99, 321820), (110, 289638), (132, 241365), (165, 193092), (180, 177001), (198, 160910), (220, 144819), (330, 96546), (396, 80455), (495, 64364), (660, 48273), (990, 32182), (1980, 16091)]