15816080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 42806784

約数和(自身を除く): 26990704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 463, 488, 560, 610, 854, 926, 976, 1220, 1708, 1852, 2135, 2315, 2440, 3241, 3416, 3704, 4270, 4630, 4880, 6482, 6832, 7408, 8540, 9260, 12964, 16205, 17080, 18520, 25928, 28243, 32410, 34160, 37040, 51856, 56486, 64820, 112972, 129640, 141215, 197701, 225944, 259280, 282430, 395402, 451888, 564860, 790804, 988505, 1129720, 1581608, 1977010, 2259440, 3163216, 3954020, 7908040, 15816080]

約数ペア:

[(1, 15816080), (2, 7908040), (4, 3954020), (5, 3163216), (7, 2259440), (8, 1977010), (10, 1581608), (14, 1129720), (16, 988505), (20, 790804), (28, 564860), (35, 451888), (40, 395402), (56, 282430), (61, 259280), (70, 225944), (80, 197701), (112, 141215), (122, 129640), (140, 112972), (244, 64820), (280, 56486), (305, 51856), (427, 37040), (463, 34160), (488, 32410), (560, 28243), (610, 25928), (854, 18520), (926, 17080), (976, 16205), (1220, 12964), (1708, 9260), (1852, 8540), (2135, 7408), (2315, 6832), (2440, 6482), (3241, 4880), (3416, 4630), (3704, 4270)]