78842520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 257353200

約数和(自身を除く): 178510680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389, 563, 778, 1126, 1167, 1556, 1689, 1945, 2252, 2334, 2815, 3112, 3378, 3501, 3890, 4504, 4668, 5067, 5630, 5835, 6756, 7002, 7780, 8445, 9336, 10134, 11260, 11670, 13512, 14004, 15560, 16890, 17505, 20268, 22520, 23340, 25335, 28008, 33780, 35010, 40536, 46680, 50670, 67560, 70020, 101340, 140040, 202680, 219007, 438014, 657021, 876028, 1095035, 1314042, 1752056, 1971063, 2190070, 2628084, 3285105, 3942126, 4380140, 5256168, 6570210, 7884252, 8760280, 9855315, 13140420, 15768504, 19710630, 26280840, 39421260, 78842520]

約数ペア:

[(1, 78842520), (2, 39421260), (3, 26280840), (4, 19710630), (5, 15768504), (6, 13140420), (8, 9855315), (9, 8760280), (10, 7884252), (12, 6570210), (15, 5256168), (18, 4380140), (20, 3942126), (24, 3285105), (30, 2628084), (36, 2190070), (40, 1971063), (45, 1752056), (60, 1314042), (72, 1095035), (90, 876028), (120, 657021), (180, 438014), (360, 219007), (389, 202680), (563, 140040), (778, 101340), (1126, 70020), (1167, 67560), (1556, 50670), (1689, 46680), (1945, 40536), (2252, 35010), (2334, 33780), (2815, 28008), (3112, 25335), (3378, 23340), (3501, 22520), (3890, 20268), (4504, 17505), (4668, 16890), (5067, 15560), (5630, 14004), (5835, 13512), (6756, 11670), (7002, 11260), (7780, 10134), (8445, 9336)]