1338780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 3828384

約数和(自身を除く): 2489604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 421, 530, 636, 795, 842, 1060, 1263, 1590, 1684, 2105, 2526, 3180, 4210, 5052, 6315, 8420, 12630, 22313, 25260, 44626, 66939, 89252, 111565, 133878, 223130, 267756, 334695, 446260, 669390, 1338780]

約数ペア:

[(1, 1338780), (2, 669390), (3, 446260), (4, 334695), (5, 267756), (6, 223130), (10, 133878), (12, 111565), (15, 89252), (20, 66939), (30, 44626), (53, 25260), (60, 22313), (106, 12630), (159, 8420), (212, 6315), (265, 5052), (318, 4210), (421, 3180), (530, 2526), (636, 2105), (795, 1684), (842, 1590), (1060, 1263)]