640099080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 192

約数和(自身を含む): 2143065600

約数和(自身を除く): 1502966520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 79, 90, 120, 142, 158, 180, 213, 237, 284, 316, 317, 355, 360, 395, 426, 474, 568, 632, 634, 639, 710, 711, 790, 852, 948, 951, 1065, 1185, 1268, 1278, 1420, 1422, 1580, 1585, 1704, 1896, 1902, 2130, 2370, 2536, 2556, 2840, 2844, 2853, 3160, 3170, 3195, 3555, 3804, 4260, 4740, 4755, 5112, 5609, 5688, 5706, 6340, 6390, 7110, 7608, 8520, 9480, 9510, 11218, 11412, 12680, 12780, 14220, 14265, 16827, 19020, 22436, 22507, 22824, 25043, 25560, 28045, 28440, 28530, 33654, 38040, 44872, 45014, 50086, 50481, 56090, 57060, 67308, 67521, 75129, 84135, 90028, 100172, 100962, 112180, 112535, 114120, 125215, 134616, 135042, 150258, 168270, 180056, 200344, 201924, 202563, 224360, 225070, 225387, 250430, 252405, 270084, 300516, 336540, 337605, 375645, 403848, 405126, 450140, 450774, 500860, 504810, 540168, 601032, 673080, 675210, 751290, 810252, 900280, 901548, 1001720, 1009620, 1012815, 1126935, 1350420, 1502580, 1620504, 1778053, 1803096, 2019240, 2025630, 2253870, 2700840, 3005160, 3556106, 4051260, 4507740, 5334159, 7112212, 8102520, 8890265, 9015480, 10668318, 14224424, 16002477, 17780530, 21336636, 26670795, 32004954, 35561060, 42673272, 53341590, 64009908, 71122120, 80012385, 106683180, 128019816, 160024770, 213366360, 320049540, 640099080]

約数ペア:

[(1, 640099080), (2, 320049540), (3, 213366360), (4, 160024770), (5, 128019816), (6, 106683180), (8, 80012385), (9, 71122120), (10, 64009908), (12, 53341590), (15, 42673272), (18, 35561060), (20, 32004954), (24, 26670795), (30, 21336636), (36, 17780530), (40, 16002477), (45, 14224424), (60, 10668318), (71, 9015480), (72, 8890265), (79, 8102520), (90, 7112212), (120, 5334159), (142, 4507740), (158, 4051260), (180, 3556106), (213, 3005160), (237, 2700840), (284, 2253870), (316, 2025630), (317, 2019240), (355, 1803096), (360, 1778053), (395, 1620504), (426, 1502580), (474, 1350420), (568, 1126935), (632, 1012815), (634, 1009620), (639, 1001720), (710, 901548), (711, 900280), (790, 810252), (852, 751290), (948, 675210), (951, 673080), (1065, 601032), (1185, 540168), (1268, 504810), (1278, 500860), (1420, 450774), (1422, 450140), (1580, 405126), (1585, 403848), (1704, 375645), (1896, 337605), (1902, 336540), (2130, 300516), (2370, 270084), (2536, 252405), (2556, 250430), (2840, 225387), (2844, 225070), (2853, 224360), (3160, 202563), (3170, 201924), (3195, 200344), (3555, 180056), (3804, 168270), (4260, 150258), (4740, 135042), (4755, 134616), (5112, 125215), (5609, 114120), (5688, 112535), (5706, 112180), (6340, 100962), (6390, 100172), (7110, 90028), (7608, 84135), (8520, 75129), (9480, 67521), (9510, 67308), (11218, 57060), (11412, 56090), (12680, 50481), (12780, 50086), (14220, 45014), (14265, 44872), (16827, 38040), (19020, 33654), (22436, 28530), (22507, 28440), (22824, 28045), (25043, 25560)]