138684240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192617}}^1$

素因数の和:192636

約数の個数: 60

約数和(自身を含む): 465750324

約数和(自身を除く): 327066084

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192617, 385234, 577851, 770468, 963085, 1155702, 1540936, 1733553, 1926170, 2311404, 2889255, 3081872, 3467106, 3852340, 4622808, 5778510, 6934212, 7704680, 8667765, 9245616, 11557020, 13868424, 15409360, 17335530, 23114040, 27736848, 34671060, 46228080, 69342120, 138684240]

約数ペア:

[(1, 138684240), (2, 69342120), (3, 46228080), (4, 34671060), (5, 27736848), (6, 23114040), (8, 17335530), (9, 15409360), (10, 13868424), (12, 11557020), (15, 9245616), (16, 8667765), (18, 7704680), (20, 6934212), (24, 5778510), (30, 4622808), (36, 3852340), (40, 3467106), (45, 3081872), (48, 2889255), (60, 2311404), (72, 1926170), (80, 1733553), (90, 1540936), (120, 1155702), (144, 963085), (180, 770468), (240, 577851), (360, 385234), (720, 192617)]