2160180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 7154784

約数和(自身を除く): 4994604

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, 1091, 1980, 2182, 3273, 4364, 5455, 6546, 9819, 10910, 12001, 13092, 16365, 19638, 21820, 24002, 32730, 36003, 39276, 48004, 49095, 60005, 65460, 72006, 98190, 108009, 120010, 144012, 180015, 196380, 216018, 240020, 360030, 432036, 540045, 720060, 1080090, 2160180]

約数ペア:

[(1, 2160180), (2, 1080090), (3, 720060), (4, 540045), (5, 432036), (6, 360030), (9, 240020), (10, 216018), (11, 196380), (12, 180015), (15, 144012), (18, 120010), (20, 108009), (22, 98190), (30, 72006), (33, 65460), (36, 60005), (44, 49095), (45, 48004), (55, 39276), (60, 36003), (66, 32730), (90, 24002), (99, 21820), (110, 19638), (132, 16365), (165, 13092), (180, 12001), (198, 10910), (220, 9819), (330, 6546), (396, 5455), (495, 4364), (660, 3273), (990, 2182), (1091, 1980)]