66443280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{276847}}^1$

素因数の和:276863

約数の個数: 40

約数和(自身を含む): 205974912

約数和(自身を除く): 139531632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 276847, 553694, 830541, 1107388, 1384235, 1661082, 2214776, 2768470, 3322164, 4152705, 4429552, 5536940, 6644328, 8305410, 11073880, 13288656, 16610820, 22147760, 33221640, 66443280]

約数ペア:

[(1, 66443280), (2, 33221640), (3, 22147760), (4, 16610820), (5, 13288656), (6, 11073880), (8, 8305410), (10, 6644328), (12, 5536940), (15, 4429552), (16, 4152705), (20, 3322164), (24, 2768470), (30, 2214776), (40, 1661082), (48, 1384235), (60, 1107388), (80, 830541), (120, 553694), (240, 276847)]