2788560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 80

約数和(自身を含む): 9612480

約数和(自身を除く): 6823920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1291, 2160, 2582, 3873, 5164, 6455, 7746, 10328, 11619, 12910, 15492, 19365, 20656, 23238, 25820, 30984, 34857, 38730, 46476, 51640, 58095, 61968, 69714, 77460, 92952, 103280, 116190, 139428, 154920, 174285, 185904, 232380, 278856, 309840, 348570, 464760, 557712, 697140, 929520, 1394280, 2788560]

約数ペア:

[(1, 2788560), (2, 1394280), (3, 929520), (4, 697140), (5, 557712), (6, 464760), (8, 348570), (9, 309840), (10, 278856), (12, 232380), (15, 185904), (16, 174285), (18, 154920), (20, 139428), (24, 116190), (27, 103280), (30, 92952), (36, 77460), (40, 69714), (45, 61968), (48, 58095), (54, 51640), (60, 46476), (72, 38730), (80, 34857), (90, 30984), (108, 25820), (120, 23238), (135, 20656), (144, 19365), (180, 15492), (216, 12910), (240, 11619), (270, 10328), (360, 7746), (432, 6455), (540, 5164), (720, 3873), (1080, 2582), (1291, 2160)]