67989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5647}}^1$

素因数の和:5708

約数の個数: 64

約数和(自身を含む): 178928640

約数和(自身を除く): 110938760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 5647, 6020, 11294, 12040, 22588, 28235, 39529, 45176, 56470, 79058, 112940, 158116, 197645, 225880, 242821, 316232, 395290, 485642, 790580, 971284, 1214105, 1581160, 1699747, 1942568, 2428210, 3399494, 4856420, 6798988, 8498735, 9712840, 13597976, 16997470, 33994940, 67989880]

約数ペア:

[(1, 67989880), (2, 33994940), (4, 16997470), (5, 13597976), (7, 9712840), (8, 8498735), (10, 6798988), (14, 4856420), (20, 3399494), (28, 2428210), (35, 1942568), (40, 1699747), (43, 1581160), (56, 1214105), (70, 971284), (86, 790580), (140, 485642), (172, 395290), (215, 316232), (280, 242821), (301, 225880), (344, 197645), (430, 158116), (602, 112940), (860, 79058), (1204, 56470), (1505, 45176), (1720, 39529), (2408, 28235), (3010, 22588), (5647, 12040), (6020, 11294)]