15284740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 35524440

約数和(自身を除く): 20239700

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 73, 76, 95, 116, 145, 146, 190, 290, 292, 361, 365, 380, 551, 580, 722, 730, 1102, 1387, 1444, 1460, 1805, 2117, 2204, 2755, 2774, 3610, 4234, 5510, 5548, 6935, 7220, 8468, 10469, 10585, 11020, 13870, 20938, 21170, 26353, 27740, 40223, 41876, 42340, 52345, 52706, 80446, 104690, 105412, 131765, 160892, 201115, 209380, 263530, 402230, 527060, 764237, 804460, 1528474, 3056948, 3821185, 7642370, 15284740]

約数ペア:

[(1, 15284740), (2, 7642370), (4, 3821185), (5, 3056948), (10, 1528474), (19, 804460), (20, 764237), (29, 527060), (38, 402230), (58, 263530), (73, 209380), (76, 201115), (95, 160892), (116, 131765), (145, 105412), (146, 104690), (190, 80446), (290, 52706), (292, 52345), (361, 42340), (365, 41876), (380, 40223), (551, 27740), (580, 26353), (722, 21170), (730, 20938), (1102, 13870), (1387, 11020), (1444, 10585), (1460, 10469), (1805, 8468), (2117, 7220), (2204, 6935), (2755, 5548), (2774, 5510), (3610, 4234)]