6689640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 20295360

約数和(自身を除く): 13605720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 521, 535, 642, 856, 1042, 1070, 1284, 1563, 1605, 2084, 2140, 2568, 2605, 3126, 3210, 4168, 4280, 5210, 6252, 6420, 7815, 10420, 12504, 12840, 15630, 20840, 31260, 55747, 62520, 111494, 167241, 222988, 278735, 334482, 445976, 557470, 668964, 836205, 1114940, 1337928, 1672410, 2229880, 3344820, 6689640]

約数ペア:

[(1, 6689640), (2, 3344820), (3, 2229880), (4, 1672410), (5, 1337928), (6, 1114940), (8, 836205), (10, 668964), (12, 557470), (15, 445976), (20, 334482), (24, 278735), (30, 222988), (40, 167241), (60, 111494), (107, 62520), (120, 55747), (214, 31260), (321, 20840), (428, 15630), (521, 12840), (535, 12504), (642, 10420), (856, 7815), (1042, 6420), (1070, 6252), (1284, 5210), (1563, 4280), (1605, 4168), (2084, 3210), (2140, 3126), (2568, 2605)]