1297815120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{257503}}^1$

素因数の和:257529

約数の個数: 120

約数和(自身を含む): 4981157376

約数和(自身を除く): 3683342256

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, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 257503, 515006, 772509, 1030012, 1287515, 1545018, 1802521, 2060024, 2317527, 2575030, 3090036, 3605042, 3862545, 4120048, 4635054, 5150060, 5407563, 6180072, 7210084, 7725090, 9012605, 9270108, 10300120, 10815126, 11587635, 12360144, 14420168, 15450180, 16222689, 18025210, 18540216, 20600240, 21630252, 23175270, 27037815, 28840336, 30900360, 32445378, 36050420, 37080432, 43260504, 46350540, 54075630, 61800720, 64890756, 72100840, 81113445, 86521008, 92701080, 108151260, 129781512, 144201680, 162226890, 185402160, 216302520, 259563024, 324453780, 432605040, 648907560, 1297815120]

約数ペア:

[(1, 1297815120), (2, 648907560), (3, 432605040), (4, 324453780), (5, 259563024), (6, 216302520), (7, 185402160), (8, 162226890), (9, 144201680), (10, 129781512), (12, 108151260), (14, 92701080), (15, 86521008), (16, 81113445), (18, 72100840), (20, 64890756), (21, 61800720), (24, 54075630), (28, 46350540), (30, 43260504), (35, 37080432), (36, 36050420), (40, 32445378), (42, 30900360), (45, 28840336), (48, 27037815), (56, 23175270), (60, 21630252), (63, 20600240), (70, 18540216), (72, 18025210), (80, 16222689), (84, 15450180), (90, 14420168), (105, 12360144), (112, 11587635), (120, 10815126), (126, 10300120), (140, 9270108), (144, 9012605), (168, 7725090), (180, 7210084), (210, 6180072), (240, 5407563), (252, 5150060), (280, 4635054), (315, 4120048), (336, 3862545), (360, 3605042), (420, 3090036), (504, 2575030), (560, 2317527), (630, 2060024), (720, 1802521), (840, 1545018), (1008, 1287515), (1260, 1030012), (1680, 772509), (2520, 515006), (5040, 257503)]