665812080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1399}}^1$

素因数の和:2079

約数の個数: 120

約数和(自身を含む): 2241002400

約数和(自身を除く): 1575190320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 661, 720, 1322, 1399, 1983, 2644, 2798, 3305, 3966, 4197, 5288, 5596, 5949, 6610, 6995, 7932, 8394, 9915, 10576, 11192, 11898, 12591, 13220, 13990, 15864, 16788, 19830, 20985, 22384, 23796, 25182, 26440, 27980, 29745, 31728, 33576, 39660, 41970, 47592, 50364, 52880, 55960, 59490, 62955, 67152, 79320, 83940, 95184, 100728, 111920, 118980, 125910, 158640, 167880, 201456, 237960, 251820, 335760, 475920, 503640, 924739, 1007280, 1849478, 2774217, 3698956, 4623695, 5548434, 7397912, 8322651, 9247390, 11096868, 13871085, 14795824, 16645302, 18494780, 22193736, 27742170, 33290604, 36989560, 41613255, 44387472, 55484340, 66581208, 73979120, 83226510, 110968680, 133162416, 166453020, 221937360, 332906040, 665812080]

約数ペア:

[(1, 665812080), (2, 332906040), (3, 221937360), (4, 166453020), (5, 133162416), (6, 110968680), (8, 83226510), (9, 73979120), (10, 66581208), (12, 55484340), (15, 44387472), (16, 41613255), (18, 36989560), (20, 33290604), (24, 27742170), (30, 22193736), (36, 18494780), (40, 16645302), (45, 14795824), (48, 13871085), (60, 11096868), (72, 9247390), (80, 8322651), (90, 7397912), (120, 5548434), (144, 4623695), (180, 3698956), (240, 2774217), (360, 1849478), (661, 1007280), (720, 924739), (1322, 503640), (1399, 475920), (1983, 335760), (2644, 251820), (2798, 237960), (3305, 201456), (3966, 167880), (4197, 158640), (5288, 125910), (5596, 118980), (5949, 111920), (6610, 100728), (6995, 95184), (7932, 83940), (8394, 79320), (9915, 67152), (10576, 62955), (11192, 59490), (11898, 55960), (12591, 52880), (13220, 50364), (13990, 47592), (15864, 41970), (16788, 39660), (19830, 33576), (20985, 31728), (22384, 29745), (23796, 27980), (25182, 26440)]