1298340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7213}}^1$

素因数の和:7228

約数の個数: 36

約数和(自身を含む): 3938844

約数和(自身を除く): 2640504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7213, 14426, 21639, 28852, 36065, 43278, 64917, 72130, 86556, 108195, 129834, 144260, 216390, 259668, 324585, 432780, 649170, 1298340]

約数ペア:

[(1, 1298340), (2, 649170), (3, 432780), (4, 324585), (5, 259668), (6, 216390), (9, 144260), (10, 129834), (12, 108195), (15, 86556), (18, 72130), (20, 64917), (30, 43278), (36, 36065), (45, 28852), (60, 21639), (90, 14426), (180, 7213)]