64330280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229751}}^1$

素因数の和:229769

約数の個数: 32

約数和(自身を含む): 165421440

約数和(自身を除く): 101091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229751, 459502, 919004, 1148755, 1608257, 1838008, 2297510, 3216514, 4595020, 6433028, 8041285, 9190040, 12866056, 16082570, 32165140, 64330280]

約数ペア:

[(1, 64330280), (2, 32165140), (4, 16082570), (5, 12866056), (7, 9190040), (8, 8041285), (10, 6433028), (14, 4595020), (20, 3216514), (28, 2297510), (35, 1838008), (40, 1608257), (56, 1148755), (70, 919004), (140, 459502), (280, 229751)]