30581320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9929}}^1$

素因数の和:9958

約数の個数: 64

約数和(自身を含む): 85795200

約数和(自身を除く): 55213880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9929, 19858, 39716, 49645, 69503, 79432, 99290, 109219, 139006, 198580, 218438, 278012, 347515, 397160, 436876, 546095, 556024, 695030, 764533, 873752, 1092190, 1390060, 1529066, 2184380, 2780120, 3058132, 3822665, 4368760, 6116264, 7645330, 15290660, 30581320]

約数ペア:

[(1, 30581320), (2, 15290660), (4, 7645330), (5, 6116264), (7, 4368760), (8, 3822665), (10, 3058132), (11, 2780120), (14, 2184380), (20, 1529066), (22, 1390060), (28, 1092190), (35, 873752), (40, 764533), (44, 695030), (55, 556024), (56, 546095), (70, 436876), (77, 397160), (88, 347515), (110, 278012), (140, 218438), (154, 198580), (220, 139006), (280, 109219), (308, 99290), (385, 79432), (440, 69503), (616, 49645), (770, 39716), (1540, 19858), (3080, 9929)]