1312980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 3736320

約数和(自身を除く): 2423340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 277, 316, 395, 474, 554, 790, 831, 948, 1108, 1185, 1385, 1580, 1662, 2370, 2770, 3324, 4155, 4740, 5540, 8310, 16620, 21883, 43766, 65649, 87532, 109415, 131298, 218830, 262596, 328245, 437660, 656490, 1312980]

約数ペア:

[(1, 1312980), (2, 656490), (3, 437660), (4, 328245), (5, 262596), (6, 218830), (10, 131298), (12, 109415), (15, 87532), (20, 65649), (30, 43766), (60, 21883), (79, 16620), (158, 8310), (237, 5540), (277, 4740), (316, 4155), (395, 3324), (474, 2770), (554, 2370), (790, 1662), (831, 1580), (948, 1385), (1108, 1185)]