720252

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 84

約数和(自身を含む): 2142280

約数和(自身を除く): 1422028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 243, 247, 324, 342, 351, 468, 486, 494, 513, 684, 702, 729, 741, 972, 988, 1026, 1053, 1404, 1458, 1482, 1539, 2052, 2106, 2223, 2916, 2964, 3078, 3159, 4212, 4446, 4617, 6156, 6318, 6669, 8892, 9234, 9477, 12636, 13338, 13851, 18468, 18954, 20007, 26676, 27702, 37908, 40014, 55404, 60021, 80028, 120042, 180063, 240084, 360126, 720252]

約数ペア:

[(1, 720252), (2, 360126), (3, 240084), (4, 180063), (6, 120042), (9, 80028), (12, 60021), (13, 55404), (18, 40014), (19, 37908), (26, 27702), (27, 26676), (36, 20007), (38, 18954), (39, 18468), (52, 13851), (54, 13338), (57, 12636), (76, 9477), (78, 9234), (81, 8892), (108, 6669), (114, 6318), (117, 6156), (156, 4617), (162, 4446), (171, 4212), (228, 3159), (234, 3078), (243, 2964), (247, 2916), (324, 2223), (342, 2106), (351, 2052), (468, 1539), (486, 1482), (494, 1458), (513, 1404), (684, 1053), (702, 1026), (729, 988), (741, 972)]