178825140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76421}}^1$

素因数の和:76449

約数の個数: 72

約数和(自身を含む): 584169768

約数和(自身を除く): 405344628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 76421, 152842, 229263, 305684, 382105, 458526, 687789, 764210, 917052, 993473, 1146315, 1375578, 1528420, 1986946, 2292630, 2751156, 2980419, 3438945, 3973892, 4585260, 4967365, 5960838, 6877890, 8941257, 9934730, 11921676, 13755780, 14902095, 17882514, 19869460, 29804190, 35765028, 44706285, 59608380, 89412570, 178825140]

約数ペア:

[(1, 178825140), (2, 89412570), (3, 59608380), (4, 44706285), (5, 35765028), (6, 29804190), (9, 19869460), (10, 17882514), (12, 14902095), (13, 13755780), (15, 11921676), (18, 9934730), (20, 8941257), (26, 6877890), (30, 5960838), (36, 4967365), (39, 4585260), (45, 3973892), (52, 3438945), (60, 2980419), (65, 2751156), (78, 2292630), (90, 1986946), (117, 1528420), (130, 1375578), (156, 1146315), (180, 993473), (195, 917052), (234, 764210), (260, 687789), (390, 458526), (468, 382105), (585, 305684), (780, 229263), (1170, 152842), (2340, 76421)]