123866720

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4931}}^1$

素因数の和:5103

約数の個数: 48

約数和(自身を含む): 294558768

約数和(自身を除く): 170692048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 4931, 5024, 6280, 9862, 12560, 19724, 24655, 25120, 39448, 49310, 78896, 98620, 157792, 197240, 394480, 774167, 788960, 1548334, 3096668, 3870835, 6193336, 7741670, 12386672, 15483340, 24773344, 30966680, 61933360, 123866720]

約数ペア:

[(1, 123866720), (2, 61933360), (4, 30966680), (5, 24773344), (8, 15483340), (10, 12386672), (16, 7741670), (20, 6193336), (32, 3870835), (40, 3096668), (80, 1548334), (157, 788960), (160, 774167), (314, 394480), (628, 197240), (785, 157792), (1256, 98620), (1570, 78896), (2512, 49310), (3140, 39448), (4931, 25120), (5024, 24655), (6280, 19724), (9862, 12560)]