861540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 2455488

約数和(自身を除く): 1593948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 173, 249, 332, 346, 415, 498, 519, 692, 830, 865, 996, 1038, 1245, 1660, 1730, 2076, 2490, 2595, 3460, 4980, 5190, 10380, 14359, 28718, 43077, 57436, 71795, 86154, 143590, 172308, 215385, 287180, 430770, 861540]

約数ペア:

[(1, 861540), (2, 430770), (3, 287180), (4, 215385), (5, 172308), (6, 143590), (10, 86154), (12, 71795), (15, 57436), (20, 43077), (30, 28718), (60, 14359), (83, 10380), (166, 5190), (173, 4980), (249, 3460), (332, 2595), (346, 2490), (415, 2076), (498, 1730), (519, 1660), (692, 1245), (830, 1038), (865, 996)]