27420990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 70329600

約数和(自身を除く): 42908610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 570, 659, 730, 1095, 1318, 1387, 1977, 2190, 2774, 3295, 3954, 4161, 6590, 6935, 8322, 9885, 12521, 13870, 19770, 20805, 25042, 37563, 41610, 48107, 62605, 75126, 96214, 125210, 144321, 187815, 240535, 288642, 375630, 481070, 721605, 914033, 1443210, 1828066, 2742099, 4570165, 5484198, 9140330, 13710495, 27420990]

約数ペア:

[(1, 27420990), (2, 13710495), (3, 9140330), (5, 5484198), (6, 4570165), (10, 2742099), (15, 1828066), (19, 1443210), (30, 914033), (38, 721605), (57, 481070), (73, 375630), (95, 288642), (114, 240535), (146, 187815), (190, 144321), (219, 125210), (285, 96214), (365, 75126), (438, 62605), (570, 48107), (659, 41610), (730, 37563), (1095, 25042), (1318, 20805), (1387, 19770), (1977, 13870), (2190, 12521), (2774, 9885), (3295, 8322), (3954, 6935), (4161, 6590)]