18878040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 44021160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1279, 1476, 1640, 1845, 2460, 2558, 2952, 3690, 3837, 4920, 5116, 6395, 7380, 7674, 10232, 11511, 12790, 14760, 15348, 19185, 23022, 25580, 30696, 38370, 46044, 51160, 52439, 57555, 76740, 92088, 104878, 115110, 153480, 157317, 209756, 230220, 262195, 314634, 419512, 460440, 471951, 524390, 629268, 786585, 943902, 1048780, 1258536, 1573170, 1887804, 2097560, 2359755, 3146340, 3775608, 4719510, 6292680, 9439020, 18878040]

約数ペア:

[(1, 18878040), (2, 9439020), (3, 6292680), (4, 4719510), (5, 3775608), (6, 3146340), (8, 2359755), (9, 2097560), (10, 1887804), (12, 1573170), (15, 1258536), (18, 1048780), (20, 943902), (24, 786585), (30, 629268), (36, 524390), (40, 471951), (41, 460440), (45, 419512), (60, 314634), (72, 262195), (82, 230220), (90, 209756), (120, 157317), (123, 153480), (164, 115110), (180, 104878), (205, 92088), (246, 76740), (328, 57555), (360, 52439), (369, 51160), (410, 46044), (492, 38370), (615, 30696), (738, 25580), (820, 23022), (984, 19185), (1230, 15348), (1279, 14760), (1476, 12790), (1640, 11511), (1845, 10232), (2460, 7674), (2558, 7380), (2952, 6395), (3690, 5116), (3837, 4920)]