31535280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6257}}^1$

素因数の和:6283

約数の個数: 120

約数和(自身を含む): 121054752

約数和(自身を除く): 89519472

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, 6257, 12514, 18771, 25028, 31285, 37542, 43799, 50056, 56313, 62570, 75084, 87598, 93855, 100112, 112626, 125140, 131397, 150168, 175196, 187710, 218995, 225252, 250280, 262794, 281565, 300336, 350392, 375420, 394191, 437990, 450504, 500560, 525588, 563130, 656985, 700784, 750840, 788382, 875980, 901008, 1051176, 1126260, 1313970, 1501680, 1576764, 1751960, 1970955, 2102352, 2252520, 2627940, 3153528, 3503920, 3941910, 4505040, 5255880, 6307056, 7883820, 10511760, 15767640, 31535280]

約数ペア:

[(1, 31535280), (2, 15767640), (3, 10511760), (4, 7883820), (5, 6307056), (6, 5255880), (7, 4505040), (8, 3941910), (9, 3503920), (10, 3153528), (12, 2627940), (14, 2252520), (15, 2102352), (16, 1970955), (18, 1751960), (20, 1576764), (21, 1501680), (24, 1313970), (28, 1126260), (30, 1051176), (35, 901008), (36, 875980), (40, 788382), (42, 750840), (45, 700784), (48, 656985), (56, 563130), (60, 525588), (63, 500560), (70, 450504), (72, 437990), (80, 394191), (84, 375420), (90, 350392), (105, 300336), (112, 281565), (120, 262794), (126, 250280), (140, 225252), (144, 218995), (168, 187710), (180, 175196), (210, 150168), (240, 131397), (252, 125140), (280, 112626), (315, 100112), (336, 93855), (360, 87598), (420, 75084), (504, 62570), (560, 56313), (630, 50056), (720, 43799), (840, 37542), (1008, 31285), (1260, 25028), (1680, 18771), (2520, 12514), (5040, 6257)]