490438440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:792

約数の個数: 192

約数和(自身を含む): 1703669760

約数和(自身を除く): 1213231320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 127, 136, 153, 170, 180, 204, 254, 255, 306, 340, 360, 381, 408, 508, 510, 612, 631, 635, 680, 762, 765, 1016, 1020, 1143, 1224, 1262, 1270, 1524, 1530, 1893, 1905, 2040, 2159, 2286, 2524, 2540, 3048, 3060, 3155, 3786, 3810, 4318, 4572, 5048, 5080, 5679, 5715, 6120, 6310, 6477, 7572, 7620, 8636, 9144, 9465, 10727, 10795, 11358, 11430, 12620, 12954, 15144, 15240, 17272, 18930, 19431, 21454, 21590, 22716, 22860, 25240, 25908, 28395, 32181, 32385, 37860, 38862, 42908, 43180, 45432, 45720, 51816, 53635, 56790, 64362, 64770, 75720, 77724, 80137, 85816, 86360, 96543, 97155, 107270, 113580, 128724, 129540, 155448, 160274, 160905, 193086, 194310, 214540, 227160, 240411, 257448, 259080, 320548, 321810, 386172, 388620, 400685, 429080, 480822, 482715, 641096, 643620, 721233, 772344, 777240, 801370, 961644, 965430, 1202055, 1287240, 1362329, 1442466, 1602740, 1923288, 1930860, 2404110, 2724658, 2884932, 3205480, 3606165, 3861720, 4086987, 4808220, 5449316, 5769864, 6811645, 7212330, 8173974, 9616440, 10898632, 12260961, 13623290, 14424660, 16347948, 20434935, 24521922, 27246580, 28849320, 32695896, 40869870, 49043844, 54493160, 61304805, 81739740, 98087688, 122609610, 163479480, 245219220, 490438440]

約数ペア:

[(1, 490438440), (2, 245219220), (3, 163479480), (4, 122609610), (5, 98087688), (6, 81739740), (8, 61304805), (9, 54493160), (10, 49043844), (12, 40869870), (15, 32695896), (17, 28849320), (18, 27246580), (20, 24521922), (24, 20434935), (30, 16347948), (34, 14424660), (36, 13623290), (40, 12260961), (45, 10898632), (51, 9616440), (60, 8173974), (68, 7212330), (72, 6811645), (85, 5769864), (90, 5449316), (102, 4808220), (120, 4086987), (127, 3861720), (136, 3606165), (153, 3205480), (170, 2884932), (180, 2724658), (204, 2404110), (254, 1930860), (255, 1923288), (306, 1602740), (340, 1442466), (360, 1362329), (381, 1287240), (408, 1202055), (508, 965430), (510, 961644), (612, 801370), (631, 777240), (635, 772344), (680, 721233), (762, 643620), (765, 641096), (1016, 482715), (1020, 480822), (1143, 429080), (1224, 400685), (1262, 388620), (1270, 386172), (1524, 321810), (1530, 320548), (1893, 259080), (1905, 257448), (2040, 240411), (2159, 227160), (2286, 214540), (2524, 194310), (2540, 193086), (3048, 160905), (3060, 160274), (3155, 155448), (3786, 129540), (3810, 128724), (4318, 113580), (4572, 107270), (5048, 97155), (5080, 96543), (5679, 86360), (5715, 85816), (6120, 80137), (6310, 77724), (6477, 75720), (7572, 64770), (7620, 64362), (8636, 56790), (9144, 53635), (9465, 51816), (10727, 45720), (10795, 45432), (11358, 43180), (11430, 42908), (12620, 38862), (12954, 37860), (15144, 32385), (15240, 32181), (17272, 28395), (18930, 25908), (19431, 25240), (21454, 22860), (21590, 22716)]