81908760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23537}}^1$

素因数の和:23580

約数の個数: 64

約数和(自身を含む): 254210400

約数和(自身を除く): 172301640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 23537, 47074, 70611, 94148, 117685, 141222, 188296, 235370, 282444, 353055, 470740, 564888, 682573, 706110, 941480, 1365146, 1412220, 2047719, 2730292, 2824440, 3412865, 4095438, 5460584, 6825730, 8190876, 10238595, 13651460, 16381752, 20477190, 27302920, 40954380, 81908760]

約数ペア:

[(1, 81908760), (2, 40954380), (3, 27302920), (4, 20477190), (5, 16381752), (6, 13651460), (8, 10238595), (10, 8190876), (12, 6825730), (15, 5460584), (20, 4095438), (24, 3412865), (29, 2824440), (30, 2730292), (40, 2047719), (58, 1412220), (60, 1365146), (87, 941480), (116, 706110), (120, 682573), (145, 564888), (174, 470740), (232, 353055), (290, 282444), (348, 235370), (435, 188296), (580, 141222), (696, 117685), (870, 94148), (1160, 70611), (1740, 47074), (3480, 23537)]