720888948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1567}}^1$

素因数の和:2573

約数の個数: 72

約数和(自身を含む): 1965669888

約数和(自身を除く): 1244780940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 983, 1567, 1966, 2949, 3134, 3932, 4701, 5898, 6268, 8847, 9402, 11796, 12779, 14103, 17694, 18804, 20371, 25558, 28206, 35388, 38337, 40742, 51116, 56412, 61113, 76674, 81484, 115011, 122226, 153348, 183339, 230022, 244452, 366678, 460044, 733356, 1540361, 3080722, 4621083, 6161444, 9242166, 13863249, 18484332, 20024693, 27726498, 40049386, 55452996, 60074079, 80098772, 120148158, 180222237, 240296316, 360444474, 720888948]

約数ペア:

[(1, 720888948), (2, 360444474), (3, 240296316), (4, 180222237), (6, 120148158), (9, 80098772), (12, 60074079), (13, 55452996), (18, 40049386), (26, 27726498), (36, 20024693), (39, 18484332), (52, 13863249), (78, 9242166), (117, 6161444), (156, 4621083), (234, 3080722), (468, 1540361), (983, 733356), (1567, 460044), (1966, 366678), (2949, 244452), (3134, 230022), (3932, 183339), (4701, 153348), (5898, 122226), (6268, 115011), (8847, 81484), (9402, 76674), (11796, 61113), (12779, 56412), (14103, 51116), (17694, 40742), (18804, 38337), (20371, 35388), (25558, 28206)]