1520502940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2683

約数の個数: 72

約数和(自身を含む): 3524542560

約数和(自身を除く): 2004039620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 263, 484, 526, 605, 1052, 1210, 1315, 2389, 2420, 2630, 2893, 4778, 5260, 5786, 9556, 11572, 11945, 14465, 23890, 26279, 28930, 31823, 47780, 52558, 57860, 63646, 105116, 127292, 131395, 159115, 262790, 289069, 318230, 525580, 578138, 628307, 636460, 1156276, 1256614, 1445345, 2513228, 2890690, 3141535, 5781380, 6283070, 6911377, 12566140, 13822754, 27645508, 34556885, 69113770, 76025147, 138227540, 152050294, 304100588, 380125735, 760251470, 1520502940]

約数ペア:

[(1, 1520502940), (2, 760251470), (4, 380125735), (5, 304100588), (10, 152050294), (11, 138227540), (20, 76025147), (22, 69113770), (44, 34556885), (55, 27645508), (110, 13822754), (121, 12566140), (220, 6911377), (242, 6283070), (263, 5781380), (484, 3141535), (526, 2890690), (605, 2513228), (1052, 1445345), (1210, 1256614), (1315, 1156276), (2389, 636460), (2420, 628307), (2630, 578138), (2893, 525580), (4778, 318230), (5260, 289069), (5786, 262790), (9556, 159115), (11572, 131395), (11945, 127292), (14465, 105116), (23890, 63646), (26279, 57860), (28930, 52558), (31823, 47780)]