81862260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71809}}^1$

素因数の和:71840

約数の個数: 48

約数和(自身を含む): 241281600

約数和(自身を除く): 159419340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71809, 143618, 215427, 287236, 359045, 430854, 718090, 861708, 1077135, 1364371, 1436180, 2154270, 2728742, 4093113, 4308540, 5457484, 6821855, 8186226, 13643710, 16372452, 20465565, 27287420, 40931130, 81862260]

約数ペア:

[(1, 81862260), (2, 40931130), (3, 27287420), (4, 20465565), (5, 16372452), (6, 13643710), (10, 8186226), (12, 6821855), (15, 5457484), (19, 4308540), (20, 4093113), (30, 2728742), (38, 2154270), (57, 1436180), (60, 1364371), (76, 1077135), (95, 861708), (114, 718090), (190, 430854), (228, 359045), (285, 287236), (380, 215427), (570, 143618), (1140, 71809)]