12705840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2547

約数の個数: 120

約数和(自身を含む): 48785568

約数和(自身を除く): 36079728

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, 2521, 5040, 5042, 7563, 10084, 12605, 15126, 17647, 20168, 22689, 25210, 30252, 35294, 37815, 40336, 45378, 50420, 52941, 60504, 70588, 75630, 88235, 90756, 100840, 105882, 113445, 121008, 141176, 151260, 158823, 176470, 181512, 201680, 211764, 226890, 264705, 282352, 302520, 317646, 352940, 363024, 423528, 453780, 529410, 605040, 635292, 705880, 794115, 847056, 907560, 1058820, 1270584, 1411760, 1588230, 1815120, 2117640, 2541168, 3176460, 4235280, 6352920, 12705840]

約数ペア:

[(1, 12705840), (2, 6352920), (3, 4235280), (4, 3176460), (5, 2541168), (6, 2117640), (7, 1815120), (8, 1588230), (9, 1411760), (10, 1270584), (12, 1058820), (14, 907560), (15, 847056), (16, 794115), (18, 705880), (20, 635292), (21, 605040), (24, 529410), (28, 453780), (30, 423528), (35, 363024), (36, 352940), (40, 317646), (42, 302520), (45, 282352), (48, 264705), (56, 226890), (60, 211764), (63, 201680), (70, 181512), (72, 176470), (80, 158823), (84, 151260), (90, 141176), (105, 121008), (112, 113445), (120, 105882), (126, 100840), (140, 90756), (144, 88235), (168, 75630), (180, 70588), (210, 60504), (240, 52941), (252, 50420), (280, 45378), (315, 40336), (336, 37815), (360, 35294), (420, 30252), (504, 25210), (560, 22689), (630, 20168), (720, 17647), (840, 15126), (1008, 12605), (1260, 10084), (1680, 7563), (2520, 5042), (2521, 5040)]