664556520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1867

約数の個数: 128

約数和(自身を含む): 2122848000

約数和(自身を除く): 1458291480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 199, 204, 255, 340, 398, 408, 510, 597, 680, 796, 995, 1020, 1194, 1592, 1637, 1990, 2040, 2388, 2985, 3274, 3383, 3980, 4776, 4911, 5970, 6548, 6766, 7960, 8185, 9822, 10149, 11940, 13096, 13532, 16370, 16915, 19644, 20298, 23880, 24555, 27064, 27829, 32740, 33830, 39288, 40596, 49110, 50745, 55658, 65480, 67660, 81192, 83487, 98220, 101490, 111316, 135320, 139145, 166974, 196440, 202980, 222632, 278290, 325763, 333948, 405960, 417435, 556580, 651526, 667896, 834870, 977289, 1113160, 1303052, 1628815, 1669740, 1954578, 2606104, 3257630, 3339480, 3909156, 4886445, 5537971, 6515260, 7818312, 9772890, 11075942, 13030520, 16613913, 19545780, 22151884, 27689855, 33227826, 39091560, 44303768, 55379710, 66455652, 83069565, 110759420, 132911304, 166139130, 221518840, 332278260, 664556520]

約数ペア:

[(1, 664556520), (2, 332278260), (3, 221518840), (4, 166139130), (5, 132911304), (6, 110759420), (8, 83069565), (10, 66455652), (12, 55379710), (15, 44303768), (17, 39091560), (20, 33227826), (24, 27689855), (30, 22151884), (34, 19545780), (40, 16613913), (51, 13030520), (60, 11075942), (68, 9772890), (85, 7818312), (102, 6515260), (120, 5537971), (136, 4886445), (170, 3909156), (199, 3339480), (204, 3257630), (255, 2606104), (340, 1954578), (398, 1669740), (408, 1628815), (510, 1303052), (597, 1113160), (680, 977289), (796, 834870), (995, 667896), (1020, 651526), (1194, 556580), (1592, 417435), (1637, 405960), (1990, 333948), (2040, 325763), (2388, 278290), (2985, 222632), (3274, 202980), (3383, 196440), (3980, 166974), (4776, 139145), (4911, 135320), (5970, 111316), (6548, 101490), (6766, 98220), (7960, 83487), (8185, 81192), (9822, 67660), (10149, 65480), (11940, 55658), (13096, 50745), (13532, 49110), (16370, 40596), (16915, 39288), (19644, 33830), (20298, 32740), (23880, 27829), (24555, 27064)]