15390760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 30228440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 263, 266, 280, 308, 380, 385, 418, 440, 526, 532, 616, 665, 760, 770, 836, 1045, 1052, 1064, 1315, 1330, 1463, 1540, 1672, 1841, 2090, 2104, 2630, 2660, 2893, 2926, 3080, 3682, 4180, 4997, 5260, 5320, 5786, 5852, 7315, 7364, 8360, 9205, 9994, 10520, 11572, 11704, 14465, 14630, 14728, 18410, 19988, 20251, 23144, 24985, 28930, 29260, 34979, 36820, 39976, 40502, 49970, 54967, 57860, 58520, 69958, 73640, 81004, 99940, 101255, 109934, 115720, 139916, 162008, 174895, 199880, 202510, 219868, 274835, 279832, 349790, 384769, 405020, 439736, 549670, 699580, 769538, 810040, 1099340, 1399160, 1539076, 1923845, 2198680, 3078152, 3847690, 7695380, 15390760]

約数ペア:

[(1, 15390760), (2, 7695380), (4, 3847690), (5, 3078152), (7, 2198680), (8, 1923845), (10, 1539076), (11, 1399160), (14, 1099340), (19, 810040), (20, 769538), (22, 699580), (28, 549670), (35, 439736), (38, 405020), (40, 384769), (44, 349790), (55, 279832), (56, 274835), (70, 219868), (76, 202510), (77, 199880), (88, 174895), (95, 162008), (110, 139916), (133, 115720), (140, 109934), (152, 101255), (154, 99940), (190, 81004), (209, 73640), (220, 69958), (263, 58520), (266, 57860), (280, 54967), (308, 49970), (380, 40502), (385, 39976), (418, 36820), (440, 34979), (526, 29260), (532, 28930), (616, 24985), (665, 23144), (760, 20251), (770, 19988), (836, 18410), (1045, 14728), (1052, 14630), (1064, 14465), (1315, 11704), (1330, 11572), (1463, 10520), (1540, 9994), (1672, 9205), (1841, 8360), (2090, 7364), (2104, 7315), (2630, 5852), (2660, 5786), (2893, 5320), (2926, 5260), (3080, 4997), (3682, 4180)]