7908040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 20712960

約数和(自身を除く): 12804920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 463, 488, 610, 854, 926, 1220, 1708, 1852, 2135, 2315, 2440, 3241, 3416, 3704, 4270, 4630, 6482, 8540, 9260, 12964, 16205, 17080, 18520, 25928, 28243, 32410, 56486, 64820, 112972, 129640, 141215, 197701, 225944, 282430, 395402, 564860, 790804, 988505, 1129720, 1581608, 1977010, 3954020, 7908040]

約数ペア:

[(1, 7908040), (2, 3954020), (4, 1977010), (5, 1581608), (7, 1129720), (8, 988505), (10, 790804), (14, 564860), (20, 395402), (28, 282430), (35, 225944), (40, 197701), (56, 141215), (61, 129640), (70, 112972), (122, 64820), (140, 56486), (244, 32410), (280, 28243), (305, 25928), (427, 18520), (463, 17080), (488, 16205), (610, 12964), (854, 9260), (926, 8540), (1220, 6482), (1708, 4630), (1852, 4270), (2135, 3704), (2315, 3416), (2440, 3241)]