15972012

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 48688640

約数和(自身を除く): 32716628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 108, 111, 126, 148, 189, 222, 252, 259, 333, 378, 444, 518, 571, 666, 756, 777, 999, 1036, 1142, 1332, 1554, 1713, 1998, 2284, 2331, 3108, 3426, 3996, 3997, 4662, 5139, 6852, 6993, 7994, 9324, 10278, 11991, 13986, 15417, 15988, 20556, 21127, 23982, 27972, 30834, 35973, 42254, 47964, 61668, 63381, 71946, 84508, 107919, 126762, 143892, 147889, 190143, 215838, 253524, 295778, 380286, 431676, 443667, 570429, 591556, 760572, 887334, 1140858, 1331001, 1774668, 2281716, 2662002, 3993003, 5324004, 7986006, 15972012]

約数ペア:

[(1, 15972012), (2, 7986006), (3, 5324004), (4, 3993003), (6, 2662002), (7, 2281716), (9, 1774668), (12, 1331001), (14, 1140858), (18, 887334), (21, 760572), (27, 591556), (28, 570429), (36, 443667), (37, 431676), (42, 380286), (54, 295778), (63, 253524), (74, 215838), (84, 190143), (108, 147889), (111, 143892), (126, 126762), (148, 107919), (189, 84508), (222, 71946), (252, 63381), (259, 61668), (333, 47964), (378, 42254), (444, 35973), (518, 30834), (571, 27972), (666, 23982), (756, 21127), (777, 20556), (999, 15988), (1036, 15417), (1142, 13986), (1332, 11991), (1554, 10278), (1713, 9324), (1998, 7994), (2284, 6993), (2331, 6852), (3108, 5139), (3426, 4662), (3996, 3997)]