278477280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{193387}}^1$

素因数の和:193408

約数の個数: 72

約数和(自身を含む): 950308632

約数和(自身を除く): 671831352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 193387, 386774, 580161, 773548, 966935, 1160322, 1547096, 1740483, 1933870, 2320644, 2900805, 3094192, 3480966, 3867740, 4641288, 5801610, 6188384, 6961932, 7735480, 8702415, 9282576, 11603220, 13923864, 15470960, 17404830, 18565152, 23206440, 27847728, 30941920, 34809660, 46412880, 55695456, 69619320, 92825760, 139238640, 278477280]

約数ペア:

[(1, 278477280), (2, 139238640), (3, 92825760), (4, 69619320), (5, 55695456), (6, 46412880), (8, 34809660), (9, 30941920), (10, 27847728), (12, 23206440), (15, 18565152), (16, 17404830), (18, 15470960), (20, 13923864), (24, 11603220), (30, 9282576), (32, 8702415), (36, 7735480), (40, 6961932), (45, 6188384), (48, 5801610), (60, 4641288), (72, 3867740), (80, 3480966), (90, 3094192), (96, 2900805), (120, 2320644), (144, 1933870), (160, 1740483), (180, 1547096), (240, 1160322), (288, 966935), (360, 773548), (480, 580161), (720, 386774), (1440, 193387)]