1319819760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2156

約数の個数: 240

約数和(自身を含む): 5106816000

約数和(自身を除く): 3786996240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 131, 140, 144, 168, 180, 210, 240, 252, 262, 280, 315, 336, 360, 393, 420, 504, 524, 560, 630, 655, 720, 786, 840, 917, 1008, 1048, 1179, 1260, 1310, 1572, 1680, 1834, 1965, 1999, 2096, 2358, 2520, 2620, 2751, 3144, 3668, 3930, 3998, 4585, 4716, 5040, 5240, 5502, 5895, 5997, 6288, 7336, 7860, 7996, 8253, 9170, 9432, 9995, 10480, 11004, 11790, 11994, 13755, 13993, 14672, 15720, 15992, 16506, 17991, 18340, 18864, 19990, 22008, 23580, 23988, 27510, 27986, 29985, 31440, 31984, 33012, 35982, 36680, 39980, 41265, 41979, 44016, 47160, 47976, 55020, 55972, 59970, 66024, 69965, 71964, 73360, 79960, 82530, 83958, 89955, 94320, 95952, 110040, 111944, 119940, 125937, 132048, 139930, 143928, 159920, 165060, 167916, 179910, 209895, 220080, 223888, 239880, 251874, 261869, 279860, 287856, 330120, 335832, 359820, 419790, 479760, 503748, 523738, 559720, 629685, 660240, 671664, 719640, 785607, 839580, 1007496, 1047476, 1119440, 1259370, 1309345, 1439280, 1571214, 1679160, 1833083, 2014992, 2094952, 2356821, 2518740, 2618690, 3142428, 3358320, 3666166, 3928035, 4189904, 4713642, 5037480, 5237380, 5499249, 6284856, 7332332, 7856070, 9165415, 9427284, 10074960, 10474760, 10998498, 11784105, 12569712, 14664664, 15712140, 16497747, 18330830, 18854568, 20949520, 21996996, 23568210, 27496245, 29329328, 31424280, 32995494, 36661660, 37709136, 43993992, 47136420, 54992490, 62848560, 65990988, 73323320, 82488735, 87987984, 94272840, 109984980, 131981976, 146646640, 164977470, 188545680, 219969960, 263963952, 329954940, 439939920, 659909880, 1319819760]

約数ペア:

[(1, 1319819760), (2, 659909880), (3, 439939920), (4, 329954940), (5, 263963952), (6, 219969960), (7, 188545680), (8, 164977470), (9, 146646640), (10, 131981976), (12, 109984980), (14, 94272840), (15, 87987984), (16, 82488735), (18, 73323320), (20, 65990988), (21, 62848560), (24, 54992490), (28, 47136420), (30, 43993992), (35, 37709136), (36, 36661660), (40, 32995494), (42, 31424280), (45, 29329328), (48, 27496245), (56, 23568210), (60, 21996996), (63, 20949520), (70, 18854568), (72, 18330830), (80, 16497747), (84, 15712140), (90, 14664664), (105, 12569712), (112, 11784105), (120, 10998498), (126, 10474760), (131, 10074960), (140, 9427284), (144, 9165415), (168, 7856070), (180, 7332332), (210, 6284856), (240, 5499249), (252, 5237380), (262, 5037480), (280, 4713642), (315, 4189904), (336, 3928035), (360, 3666166), (393, 3358320), (420, 3142428), (504, 2618690), (524, 2518740), (560, 2356821), (630, 2094952), (655, 2014992), (720, 1833083), (786, 1679160), (840, 1571214), (917, 1439280), (1008, 1309345), (1048, 1259370), (1179, 1119440), (1260, 1047476), (1310, 1007496), (1572, 839580), (1680, 785607), (1834, 719640), (1965, 671664), (1999, 660240), (2096, 629685), (2358, 559720), (2520, 523738), (2620, 503748), (2751, 479760), (3144, 419790), (3668, 359820), (3930, 335832), (3998, 330120), (4585, 287856), (4716, 279860), (5040, 261869), (5240, 251874), (5502, 239880), (5895, 223888), (5997, 220080), (6288, 209895), (7336, 179910), (7860, 167916), (7996, 165060), (8253, 159920), (9170, 143928), (9432, 139930), (9995, 132048), (10480, 125937), (11004, 119940), (11790, 111944), (11994, 110040), (13755, 95952), (13993, 94320), (14672, 89955), (15720, 83958), (15992, 82530), (16506, 79960), (17991, 73360), (18340, 71964), (18864, 69965), (19990, 66024), (22008, 59970), (23580, 55972), (23988, 55020), (27510, 47976), (27986, 47160), (29985, 44016), (31440, 41979), (31984, 41265), (33012, 39980), (35982, 36680)]