1983780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 6132672

約数和(自身を除く): 4148892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 107, 180, 206, 214, 309, 321, 412, 428, 515, 535, 618, 642, 927, 963, 1030, 1070, 1236, 1284, 1545, 1605, 1854, 1926, 2060, 2140, 3090, 3210, 3708, 3852, 4635, 4815, 6180, 6420, 9270, 9630, 11021, 18540, 19260, 22042, 33063, 44084, 55105, 66126, 99189, 110210, 132252, 165315, 198378, 220420, 330630, 396756, 495945, 661260, 991890, 1983780]

約数ペア:

[(1, 1983780), (2, 991890), (3, 661260), (4, 495945), (5, 396756), (6, 330630), (9, 220420), (10, 198378), (12, 165315), (15, 132252), (18, 110210), (20, 99189), (30, 66126), (36, 55105), (45, 44084), (60, 33063), (90, 22042), (103, 19260), (107, 18540), (180, 11021), (206, 9630), (214, 9270), (309, 6420), (321, 6180), (412, 4815), (428, 4635), (515, 3852), (535, 3708), (618, 3210), (642, 3090), (927, 2140), (963, 2060), (1030, 1926), (1070, 1854), (1236, 1605), (1284, 1545)]