1778340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 5044032

約数和(自身を除く): 3265692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 277, 321, 428, 535, 554, 642, 831, 1070, 1108, 1284, 1385, 1605, 1662, 2140, 2770, 3210, 3324, 4155, 5540, 6420, 8310, 16620, 29639, 59278, 88917, 118556, 148195, 177834, 296390, 355668, 444585, 592780, 889170, 1778340]

約数ペア:

[(1, 1778340), (2, 889170), (3, 592780), (4, 444585), (5, 355668), (6, 296390), (10, 177834), (12, 148195), (15, 118556), (20, 88917), (30, 59278), (60, 29639), (107, 16620), (214, 8310), (277, 6420), (321, 5540), (428, 4155), (535, 3324), (554, 3210), (642, 2770), (831, 2140), (1070, 1662), (1108, 1605), (1284, 1385)]