1352780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 3440976

約数和(自身を除く): 2088196

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 121, 130, 143, 172, 215, 220, 242, 260, 286, 430, 473, 484, 559, 572, 605, 715, 860, 946, 1118, 1210, 1430, 1573, 1892, 2236, 2365, 2420, 2795, 2860, 3146, 4730, 5203, 5590, 6149, 6292, 7865, 9460, 10406, 11180, 12298, 15730, 20812, 24596, 26015, 30745, 31460, 52030, 61490, 67639, 104060, 122980, 135278, 270556, 338195, 676390, 1352780]

約数ペア:

[(1, 1352780), (2, 676390), (4, 338195), (5, 270556), (10, 135278), (11, 122980), (13, 104060), (20, 67639), (22, 61490), (26, 52030), (43, 31460), (44, 30745), (52, 26015), (55, 24596), (65, 20812), (86, 15730), (110, 12298), (121, 11180), (130, 10406), (143, 9460), (172, 7865), (215, 6292), (220, 6149), (242, 5590), (260, 5203), (286, 4730), (430, 3146), (473, 2860), (484, 2795), (559, 2420), (572, 2365), (605, 2236), (715, 1892), (860, 1573), (946, 1430), (1118, 1210)]