30721290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53897}}^1$

素因数の和:53926

約数の個数: 32

約数和(自身を含む): 77613120

約数和(自身を除く): 46891830

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 53897, 107794, 161691, 269485, 323382, 538970, 808455, 1024043, 1616910, 2048086, 3072129, 5120215, 6144258, 10240430, 15360645, 30721290]

約数ペア:

[(1, 30721290), (2, 15360645), (3, 10240430), (5, 6144258), (6, 5120215), (10, 3072129), (15, 2048086), (19, 1616910), (30, 1024043), (38, 808455), (57, 538970), (95, 323382), (114, 269485), (190, 161691), (285, 107794), (570, 53897)]