12722120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 30967920

約数和(自身を除く): 18245800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 353, 424, 530, 680, 706, 901, 1060, 1412, 1765, 1802, 2120, 2824, 3530, 3604, 4505, 6001, 7060, 7208, 9010, 12002, 14120, 18020, 18709, 24004, 30005, 36040, 37418, 48008, 60010, 74836, 93545, 120020, 149672, 187090, 240040, 318053, 374180, 636106, 748360, 1272212, 1590265, 2544424, 3180530, 6361060, 12722120]

約数ペア:

[(1, 12722120), (2, 6361060), (4, 3180530), (5, 2544424), (8, 1590265), (10, 1272212), (17, 748360), (20, 636106), (34, 374180), (40, 318053), (53, 240040), (68, 187090), (85, 149672), (106, 120020), (136, 93545), (170, 74836), (212, 60010), (265, 48008), (340, 37418), (353, 36040), (424, 30005), (530, 24004), (680, 18709), (706, 18020), (901, 14120), (1060, 12002), (1412, 9010), (1765, 7208), (1802, 7060), (2120, 6001), (2824, 4505), (3530, 3604)]