15465940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 37747584

約数和(自身を除く): 22281644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1811, 2135, 3622, 4270, 7244, 8540, 9055, 12677, 18110, 25354, 36220, 50708, 63385, 110471, 126770, 220942, 253540, 441884, 552355, 773297, 1104710, 1546594, 2209420, 3093188, 3866485, 7732970, 15465940]

約数ペア:

[(1, 15465940), (2, 7732970), (4, 3866485), (5, 3093188), (7, 2209420), (10, 1546594), (14, 1104710), (20, 773297), (28, 552355), (35, 441884), (61, 253540), (70, 220942), (122, 126770), (140, 110471), (244, 63385), (305, 50708), (427, 36220), (610, 25354), (854, 18110), (1220, 12677), (1708, 9055), (1811, 8540), (2135, 7244), (3622, 4270)]