18281478960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25390943}}^1$

素因数の和:25390962

約数の個数: 60

約数和(自身を含む): 61395302592

約数和(自身を除く): 43113823632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25390943, 50781886, 76172829, 101563772, 126954715, 152345658, 203127544, 228518487, 253909430, 304691316, 380864145, 406255088, 457036974, 507818860, 609382632, 761728290, 914073948, 1015637720, 1142592435, 1218765264, 1523456580, 1828147896, 2031275440, 2285184870, 3046913160, 3656295792, 4570369740, 6093826320, 9140739480, 18281478960]

約数ペア:

[(1, 18281478960), (2, 9140739480), (3, 6093826320), (4, 4570369740), (5, 3656295792), (6, 3046913160), (8, 2285184870), (9, 2031275440), (10, 1828147896), (12, 1523456580), (15, 1218765264), (16, 1142592435), (18, 1015637720), (20, 914073948), (24, 761728290), (30, 609382632), (36, 507818860), (40, 457036974), (45, 406255088), (48, 380864145), (60, 304691316), (72, 253909430), (80, 228518487), (90, 203127544), (120, 152345658), (144, 126954715), (180, 101563772), (240, 76172829), (360, 50781886), (720, 25390943)]