1243280120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1\times {\mathrm{461}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 2826109440

約数和(自身を除く): 1582829320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 353, 382, 461, 706, 764, 922, 955, 1412, 1528, 1765, 1844, 1910, 2305, 2824, 3530, 3688, 3820, 4610, 7060, 7640, 9220, 14120, 18440, 67423, 88051, 134846, 162733, 176102, 269692, 325466, 337115, 352204, 440255, 539384, 650932, 674230, 704408, 813665, 880510, 1301864, 1348460, 1627330, 1761020, 2696920, 3254660, 3522040, 6509320, 31082003, 62164006, 124328012, 155410015, 248656024, 310820030, 621640060, 1243280120]

約数ペア:

[(1, 1243280120), (2, 621640060), (4, 310820030), (5, 248656024), (8, 155410015), (10, 124328012), (20, 62164006), (40, 31082003), (191, 6509320), (353, 3522040), (382, 3254660), (461, 2696920), (706, 1761020), (764, 1627330), (922, 1348460), (955, 1301864), (1412, 880510), (1528, 813665), (1765, 704408), (1844, 674230), (1910, 650932), (2305, 539384), (2824, 440255), (3530, 352204), (3688, 337115), (3820, 325466), (4610, 269692), (7060, 176102), (7640, 162733), (9220, 134846), (14120, 88051), (18440, 67423)]