87842480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 224476704

約数和(自身を除く): 136634224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 577, 692, 865, 880, 1154, 1384, 1730, 1903, 2308, 2768, 2885, 3460, 3806, 4616, 5770, 6347, 6920, 7612, 9232, 9515, 11540, 12694, 13840, 15224, 19030, 23080, 25388, 30448, 31735, 38060, 46160, 50776, 63470, 76120, 99821, 101552, 126940, 152240, 199642, 253880, 399284, 499105, 507760, 798568, 998210, 1098031, 1597136, 1996420, 2196062, 3992840, 4392124, 5490155, 7985680, 8784248, 10980310, 17568496, 21960620, 43921240, 87842480]

約数ペア:

[(1, 87842480), (2, 43921240), (4, 21960620), (5, 17568496), (8, 10980310), (10, 8784248), (11, 7985680), (16, 5490155), (20, 4392124), (22, 3992840), (40, 2196062), (44, 1996420), (55, 1597136), (80, 1098031), (88, 998210), (110, 798568), (173, 507760), (176, 499105), (220, 399284), (346, 253880), (440, 199642), (577, 152240), (692, 126940), (865, 101552), (880, 99821), (1154, 76120), (1384, 63470), (1730, 50776), (1903, 46160), (2308, 38060), (2768, 31735), (2885, 30448), (3460, 25388), (3806, 23080), (4616, 19030), (5770, 15224), (6347, 13840), (6920, 12694), (7612, 11540), (9232, 9515)]