66580840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 159796800

約数和(自身を除く): 93215960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 547, 680, 716, 895, 1094, 1432, 1790, 2188, 2735, 3043, 3580, 4376, 5470, 6086, 7160, 9299, 10940, 12172, 15215, 18598, 21880, 24344, 30430, 37196, 46495, 60860, 74392, 92990, 97913, 121720, 185980, 195826, 371960, 391652, 489565, 783304, 979130, 1664521, 1958260, 3329042, 3916520, 6658084, 8322605, 13316168, 16645210, 33290420, 66580840]

約数ペア:

[(1, 66580840), (2, 33290420), (4, 16645210), (5, 13316168), (8, 8322605), (10, 6658084), (17, 3916520), (20, 3329042), (34, 1958260), (40, 1664521), (68, 979130), (85, 783304), (136, 489565), (170, 391652), (179, 371960), (340, 195826), (358, 185980), (547, 121720), (680, 97913), (716, 92990), (895, 74392), (1094, 60860), (1432, 46495), (1790, 37196), (2188, 30430), (2735, 24344), (3043, 21880), (3580, 18598), (4376, 15215), (5470, 12172), (6086, 10940), (7160, 9299)]