78741780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 239320704

約数和(自身を除く): 160578924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 471, 628, 643, 780, 785, 942, 1286, 1570, 1884, 1929, 2041, 2355, 2572, 3140, 3215, 3858, 4082, 4710, 6123, 6430, 7716, 8164, 8359, 9420, 9645, 10205, 12246, 12860, 16718, 19290, 20410, 24492, 25077, 30615, 33436, 38580, 40820, 41795, 50154, 61230, 83590, 100308, 100951, 122460, 125385, 167180, 201902, 250770, 302853, 403804, 501540, 504755, 605706, 1009510, 1211412, 1312363, 1514265, 2019020, 2624726, 3028530, 3937089, 5249452, 6057060, 6561815, 7874178, 13123630, 15748356, 19685445, 26247260, 39370890, 78741780]

約数ペア:

[(1, 78741780), (2, 39370890), (3, 26247260), (4, 19685445), (5, 15748356), (6, 13123630), (10, 7874178), (12, 6561815), (13, 6057060), (15, 5249452), (20, 3937089), (26, 3028530), (30, 2624726), (39, 2019020), (52, 1514265), (60, 1312363), (65, 1211412), (78, 1009510), (130, 605706), (156, 504755), (157, 501540), (195, 403804), (260, 302853), (314, 250770), (390, 201902), (471, 167180), (628, 125385), (643, 122460), (780, 100951), (785, 100308), (942, 83590), (1286, 61230), (1570, 50154), (1884, 41795), (1929, 40820), (2041, 38580), (2355, 33436), (2572, 30615), (3140, 25077), (3215, 24492), (3858, 20410), (4082, 19290), (4710, 16718), (6123, 12860), (6430, 12246), (7716, 10205), (8164, 9645), (8359, 9420)]