80841200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1015

約数の個数: 120

約数和(自身を含む): 223259520

約数和(自身を除く): 142418320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 176, 190, 200, 209, 220, 275, 304, 380, 400, 418, 440, 475, 550, 760, 836, 880, 950, 967, 1045, 1100, 1520, 1672, 1900, 1934, 2090, 2200, 3344, 3800, 3868, 4180, 4400, 4835, 5225, 7600, 7736, 8360, 9670, 10450, 10637, 15472, 16720, 18373, 19340, 20900, 21274, 24175, 36746, 38680, 41800, 42548, 48350, 53185, 73492, 77360, 83600, 85096, 91865, 96700, 106370, 146984, 170192, 183730, 193400, 202103, 212740, 265925, 293968, 367460, 386800, 404206, 425480, 459325, 531850, 734920, 808412, 850960, 918650, 1010515, 1063700, 1469840, 1616824, 1837300, 2021030, 2127400, 3233648, 3674600, 4042060, 4254800, 5052575, 7349200, 8084120, 10105150, 16168240, 20210300, 40420600, 80841200]

約数ペア:

[(1, 80841200), (2, 40420600), (4, 20210300), (5, 16168240), (8, 10105150), (10, 8084120), (11, 7349200), (16, 5052575), (19, 4254800), (20, 4042060), (22, 3674600), (25, 3233648), (38, 2127400), (40, 2021030), (44, 1837300), (50, 1616824), (55, 1469840), (76, 1063700), (80, 1010515), (88, 918650), (95, 850960), (100, 808412), (110, 734920), (152, 531850), (176, 459325), (190, 425480), (200, 404206), (209, 386800), (220, 367460), (275, 293968), (304, 265925), (380, 212740), (400, 202103), (418, 193400), (440, 183730), (475, 170192), (550, 146984), (760, 106370), (836, 96700), (880, 91865), (950, 85096), (967, 83600), (1045, 77360), (1100, 73492), (1520, 53185), (1672, 48350), (1900, 42548), (1934, 41800), (2090, 38680), (2200, 36746), (3344, 24175), (3800, 21274), (3868, 20900), (4180, 19340), (4400, 18373), (4835, 16720), (5225, 15472), (7600, 10637), (7736, 10450), (8360, 9670)]