261929880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 911139840

約数和(自身を除く): 649209960

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, 337, 340, 360, 381, 408, 508, 510, 612, 635, 674, 680, 762, 765, 1011, 1016, 1020, 1143, 1224, 1270, 1348, 1524, 1530, 1685, 1905, 2022, 2040, 2159, 2286, 2540, 2696, 3033, 3048, 3060, 3370, 3810, 4044, 4318, 4572, 5055, 5080, 5715, 5729, 6066, 6120, 6477, 6740, 7620, 8088, 8636, 9144, 10110, 10795, 11430, 11458, 12132, 12954, 13480, 15165, 15240, 17187, 17272, 19431, 20220, 21590, 22860, 22916, 24264, 25908, 28645, 30330, 32385, 34374, 38862, 40440, 42799, 43180, 45720, 45832, 51561, 51816, 57290, 60660, 64770, 68748, 77724, 85598, 85935, 86360, 97155, 103122, 114580, 121320, 128397, 129540, 137496, 155448, 171196, 171870, 194310, 206244, 213995, 229160, 256794, 257805, 259080, 342392, 343740, 385191, 388620, 412488, 427990, 513588, 515610, 641985, 687480, 727583, 770382, 777240, 855980, 1027176, 1031220, 1283970, 1455166, 1540764, 1711960, 1925955, 2062440, 2182749, 2567940, 2910332, 3081528, 3637915, 3851910, 4365498, 5135880, 5820664, 6548247, 7275830, 7703820, 8730996, 10913745, 13096494, 14551660, 15407640, 17461992, 21827490, 26192988, 29103320, 32741235, 43654980, 52385976, 65482470, 87309960, 130964940, 261929880]

約数ペア:

[(1, 261929880), (2, 130964940), (3, 87309960), (4, 65482470), (5, 52385976), (6, 43654980), (8, 32741235), (9, 29103320), (10, 26192988), (12, 21827490), (15, 17461992), (17, 15407640), (18, 14551660), (20, 13096494), (24, 10913745), (30, 8730996), (34, 7703820), (36, 7275830), (40, 6548247), (45, 5820664), (51, 5135880), (60, 4365498), (68, 3851910), (72, 3637915), (85, 3081528), (90, 2910332), (102, 2567940), (120, 2182749), (127, 2062440), (136, 1925955), (153, 1711960), (170, 1540764), (180, 1455166), (204, 1283970), (254, 1031220), (255, 1027176), (306, 855980), (337, 777240), (340, 770382), (360, 727583), (381, 687480), (408, 641985), (508, 515610), (510, 513588), (612, 427990), (635, 412488), (674, 388620), (680, 385191), (762, 343740), (765, 342392), (1011, 259080), (1016, 257805), (1020, 256794), (1143, 229160), (1224, 213995), (1270, 206244), (1348, 194310), (1524, 171870), (1530, 171196), (1685, 155448), (1905, 137496), (2022, 129540), (2040, 128397), (2159, 121320), (2286, 114580), (2540, 103122), (2696, 97155), (3033, 86360), (3048, 85935), (3060, 85598), (3370, 77724), (3810, 68748), (4044, 64770), (4318, 60660), (4572, 57290), (5055, 51816), (5080, 51561), (5715, 45832), (5729, 45720), (6066, 43180), (6120, 42799), (6477, 40440), (6740, 38862), (7620, 34374), (8088, 32385), (8636, 30330), (9144, 28645), (10110, 25908), (10795, 24264), (11430, 22916), (11458, 22860), (12132, 21590), (12954, 20220), (13480, 19431), (15165, 17272), (15240, 17187)]