2221620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 6332928

約数和(自身を除く): 4111308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 607, 610, 732, 915, 1214, 1220, 1821, 1830, 2428, 3035, 3642, 3660, 6070, 7284, 9105, 12140, 18210, 36420, 37027, 74054, 111081, 148108, 185135, 222162, 370270, 444324, 555405, 740540, 1110810, 2221620]

約数ペア:

[(1, 2221620), (2, 1110810), (3, 740540), (4, 555405), (5, 444324), (6, 370270), (10, 222162), (12, 185135), (15, 148108), (20, 111081), (30, 74054), (60, 37027), (61, 36420), (122, 18210), (183, 12140), (244, 9105), (305, 7284), (366, 6070), (607, 3660), (610, 3642), (732, 3035), (915, 2428), (1214, 1830), (1220, 1821)]