2738820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6521}}^1$

素因数の和:6540

約数の個数: 48

約数和(自身を含む): 8765568

約数和(自身を除く): 6026748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 6521, 13042, 19563, 26084, 32605, 39126, 45647, 65210, 78252, 91294, 97815, 130420, 136941, 182588, 195630, 228235, 273882, 391260, 456470, 547764, 684705, 912940, 1369410, 2738820]

約数ペア:

[(1, 2738820), (2, 1369410), (3, 912940), (4, 684705), (5, 547764), (6, 456470), (7, 391260), (10, 273882), (12, 228235), (14, 195630), (15, 182588), (20, 136941), (21, 130420), (28, 97815), (30, 91294), (35, 78252), (42, 65210), (60, 45647), (70, 39126), (84, 32605), (105, 26084), (140, 19563), (210, 13042), (420, 6521)]