278641080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 256

約数和(自身を含む): 1006848000

約数和(自身を除く): 728206920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 37, 38, 40, 45, 54, 57, 60, 72, 74, 76, 90, 95, 108, 111, 114, 120, 135, 148, 152, 171, 180, 185, 190, 216, 222, 228, 270, 285, 296, 333, 342, 360, 367, 370, 380, 444, 456, 513, 540, 555, 570, 666, 684, 703, 734, 740, 760, 855, 888, 999, 1026, 1080, 1101, 1110, 1140, 1332, 1368, 1406, 1468, 1480, 1665, 1710, 1835, 1998, 2052, 2109, 2202, 2220, 2280, 2565, 2664, 2812, 2936, 3303, 3330, 3420, 3515, 3670, 3996, 4104, 4218, 4404, 4440, 4995, 5130, 5505, 5624, 6327, 6606, 6660, 6840, 6973, 7030, 7340, 7992, 8436, 8808, 9909, 9990, 10260, 10545, 11010, 12654, 13212, 13320, 13579, 13946, 14060, 14680, 16515, 16872, 18981, 19818, 19980, 20520, 20919, 21090, 22020, 25308, 26424, 27158, 27892, 28120, 31635, 33030, 34865, 37962, 39636, 39960, 40737, 41838, 42180, 44040, 49545, 50616, 54316, 55784, 62757, 63270, 66060, 67895, 69730, 75924, 79272, 81474, 83676, 84360, 94905, 99090, 104595, 108632, 122211, 125514, 126540, 132120, 135790, 139460, 151848, 162948, 167352, 188271, 189810, 198180, 203685, 209190, 244422, 251028, 253080, 258001, 271580, 278920, 313785, 325896, 366633, 376542, 379620, 396360, 407370, 418380, 488844, 502056, 516002, 543160, 611055, 627570, 733266, 753084, 759240, 774003, 814740, 836760, 941355, 977688, 1032004, 1222110, 1255140, 1290005, 1466532, 1506168, 1548006, 1629480, 1833165, 1882710, 2064008, 2322009, 2444220, 2510280, 2580010, 2933064, 3096012, 3666330, 3765420, 3870015, 4644018, 4888440, 5160020, 6192024, 6966027, 7332660, 7530840, 7740030, 9288036, 10320040, 11610045, 13932054, 14665320, 15480060, 18576072, 23220090, 27864108, 30960120, 34830135, 46440180, 55728216, 69660270, 92880360, 139320540, 278641080]

約数ペア:

[(1, 278641080), (2, 139320540), (3, 92880360), (4, 69660270), (5, 55728216), (6, 46440180), (8, 34830135), (9, 30960120), (10, 27864108), (12, 23220090), (15, 18576072), (18, 15480060), (19, 14665320), (20, 13932054), (24, 11610045), (27, 10320040), (30, 9288036), (36, 7740030), (37, 7530840), (38, 7332660), (40, 6966027), (45, 6192024), (54, 5160020), (57, 4888440), (60, 4644018), (72, 3870015), (74, 3765420), (76, 3666330), (90, 3096012), (95, 2933064), (108, 2580010), (111, 2510280), (114, 2444220), (120, 2322009), (135, 2064008), (148, 1882710), (152, 1833165), (171, 1629480), (180, 1548006), (185, 1506168), (190, 1466532), (216, 1290005), (222, 1255140), (228, 1222110), (270, 1032004), (285, 977688), (296, 941355), (333, 836760), (342, 814740), (360, 774003), (367, 759240), (370, 753084), (380, 733266), (444, 627570), (456, 611055), (513, 543160), (540, 516002), (555, 502056), (570, 488844), (666, 418380), (684, 407370), (703, 396360), (734, 379620), (740, 376542), (760, 366633), (855, 325896), (888, 313785), (999, 278920), (1026, 271580), (1080, 258001), (1101, 253080), (1110, 251028), (1140, 244422), (1332, 209190), (1368, 203685), (1406, 198180), (1468, 189810), (1480, 188271), (1665, 167352), (1710, 162948), (1835, 151848), (1998, 139460), (2052, 135790), (2109, 132120), (2202, 126540), (2220, 125514), (2280, 122211), (2565, 108632), (2664, 104595), (2812, 99090), (2936, 94905), (3303, 84360), (3330, 83676), (3420, 81474), (3515, 79272), (3670, 75924), (3996, 69730), (4104, 67895), (4218, 66060), (4404, 63270), (4440, 62757), (4995, 55784), (5130, 54316), (5505, 50616), (5624, 49545), (6327, 44040), (6606, 42180), (6660, 41838), (6840, 40737), (6973, 39960), (7030, 39636), (7340, 37962), (7992, 34865), (8436, 33030), (8808, 31635), (9909, 28120), (9990, 27892), (10260, 27158), (10545, 26424), (11010, 25308), (12654, 22020), (13212, 21090), (13320, 20919), (13579, 20520), (13946, 19980), (14060, 19818), (14680, 18981), (16515, 16872)]