2720520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 9936000

約数和(自身を除く): 7215480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 229, 264, 270, 297, 330, 360, 396, 440, 458, 495, 540, 594, 660, 687, 792, 916, 990, 1080, 1145, 1188, 1320, 1374, 1485, 1832, 1980, 2061, 2290, 2376, 2519, 2748, 2970, 3435, 3960, 4122, 4580, 5038, 5496, 5940, 6183, 6870, 7557, 8244, 9160, 10076, 10305, 11880, 12366, 12595, 13740, 15114, 16488, 20152, 20610, 22671, 24732, 25190, 27480, 30228, 30915, 37785, 41220, 45342, 49464, 50380, 60456, 61830, 68013, 75570, 82440, 90684, 100760, 113355, 123660, 136026, 151140, 181368, 226710, 247320, 272052, 302280, 340065, 453420, 544104, 680130, 906840, 1360260, 2720520]

約数ペア:

[(1, 2720520), (2, 1360260), (3, 906840), (4, 680130), (5, 544104), (6, 453420), (8, 340065), (9, 302280), (10, 272052), (11, 247320), (12, 226710), (15, 181368), (18, 151140), (20, 136026), (22, 123660), (24, 113355), (27, 100760), (30, 90684), (33, 82440), (36, 75570), (40, 68013), (44, 61830), (45, 60456), (54, 50380), (55, 49464), (60, 45342), (66, 41220), (72, 37785), (88, 30915), (90, 30228), (99, 27480), (108, 25190), (110, 24732), (120, 22671), (132, 20610), (135, 20152), (165, 16488), (180, 15114), (198, 13740), (216, 12595), (220, 12366), (229, 11880), (264, 10305), (270, 10076), (297, 9160), (330, 8244), (360, 7557), (396, 6870), (440, 6183), (458, 5940), (495, 5496), (540, 5038), (594, 4580), (660, 4122), (687, 3960), (792, 3435), (916, 2970), (990, 2748), (1080, 2519), (1145, 2376), (1188, 2290), (1320, 2061), (1374, 1980), (1485, 1832)]