30781080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2591}}^1$

素因数の和:2622

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 81193320

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, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2591, 2970, 3960, 5182, 5940, 7773, 10364, 11880, 12955, 15546, 20728, 23319, 25910, 28501, 31092, 38865, 46638, 51820, 57002, 62184, 69957, 77730, 85503, 93276, 103640, 114004, 116595, 139914, 142505, 155460, 171006, 186552, 228008, 233190, 256509, 279828, 285010, 310920, 342012, 349785, 427515, 466380, 513018, 559656, 570020, 684024, 699570, 769527, 855030, 932760, 1026036, 1140040, 1282545, 1399140, 1539054, 1710060, 2052072, 2565090, 2798280, 3078108, 3420120, 3847635, 5130180, 6156216, 7695270, 10260360, 15390540, 30781080]

約数ペア:

[(1, 30781080), (2, 15390540), (3, 10260360), (4, 7695270), (5, 6156216), (6, 5130180), (8, 3847635), (9, 3420120), (10, 3078108), (11, 2798280), (12, 2565090), (15, 2052072), (18, 1710060), (20, 1539054), (22, 1399140), (24, 1282545), (27, 1140040), (30, 1026036), (33, 932760), (36, 855030), (40, 769527), (44, 699570), (45, 684024), (54, 570020), (55, 559656), (60, 513018), (66, 466380), (72, 427515), (88, 349785), (90, 342012), (99, 310920), (108, 285010), (110, 279828), (120, 256509), (132, 233190), (135, 228008), (165, 186552), (180, 171006), (198, 155460), (216, 142505), (220, 139914), (264, 116595), (270, 114004), (297, 103640), (330, 93276), (360, 85503), (396, 77730), (440, 69957), (495, 62184), (540, 57002), (594, 51820), (660, 46638), (792, 38865), (990, 31092), (1080, 28501), (1188, 25910), (1320, 23319), (1485, 20728), (1980, 15546), (2376, 12955), (2591, 11880), (2970, 10364), (3960, 7773), (5182, 5940)]