19380060

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1709}}^1$

素因数の和:1737

約数の個数: 120

約数和(自身を含む): 69521760

約数和(自身を除く): 50141700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1709, 1890, 2268, 2835, 3418, 3780, 5127, 5670, 6836, 8545, 10254, 11340, 11963, 15381, 17090, 20508, 23926, 25635, 30762, 34180, 35889, 46143, 47852, 51270, 59815, 61524, 71778, 76905, 92286, 102540, 107667, 119630, 138429, 143556, 153810, 179445, 184572, 215334, 230715, 239260, 276858, 307620, 323001, 358890, 430668, 461430, 538335, 553716, 646002, 692145, 717780, 922860, 969003, 1076670, 1292004, 1384290, 1615005, 1938006, 2153340, 2768580, 3230010, 3876012, 4845015, 6460020, 9690030, 19380060]

約数ペア:

[(1, 19380060), (2, 9690030), (3, 6460020), (4, 4845015), (5, 3876012), (6, 3230010), (7, 2768580), (9, 2153340), (10, 1938006), (12, 1615005), (14, 1384290), (15, 1292004), (18, 1076670), (20, 969003), (21, 922860), (27, 717780), (28, 692145), (30, 646002), (35, 553716), (36, 538335), (42, 461430), (45, 430668), (54, 358890), (60, 323001), (63, 307620), (70, 276858), (81, 239260), (84, 230715), (90, 215334), (105, 184572), (108, 179445), (126, 153810), (135, 143556), (140, 138429), (162, 119630), (180, 107667), (189, 102540), (210, 92286), (252, 76905), (270, 71778), (315, 61524), (324, 59815), (378, 51270), (405, 47852), (420, 46143), (540, 35889), (567, 34180), (630, 30762), (756, 25635), (810, 23926), (945, 20508), (1134, 17090), (1260, 15381), (1620, 11963), (1709, 11340), (1890, 10254), (2268, 8545), (2835, 6836), (3418, 5670), (3780, 5127)]