261236640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 288

約数和(自身を含む): 992839680

約数和(自身を除く): 731603040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 96, 98, 105, 112, 116, 120, 140, 145, 147, 160, 168, 174, 196, 203, 210, 224, 232, 240, 245, 280, 290, 294, 336, 348, 383, 392, 406, 420, 435, 464, 480, 490, 560, 580, 588, 609, 672, 696, 735, 766, 784, 812, 840, 870, 928, 980, 1015, 1120, 1149, 1160, 1176, 1218, 1392, 1421, 1470, 1532, 1568, 1624, 1680, 1740, 1915, 1960, 2030, 2298, 2320, 2352, 2436, 2681, 2784, 2842, 2940, 3045, 3064, 3248, 3360, 3480, 3830, 3920, 4060, 4263, 4596, 4640, 4704, 4872, 5362, 5684, 5745, 5880, 6090, 6128, 6496, 6960, 7105, 7660, 7840, 8043, 8120, 8526, 9192, 9744, 10724, 11107, 11368, 11490, 11760, 12180, 12256, 13405, 13920, 14210, 15320, 16086, 16240, 17052, 18384, 18767, 19488, 21315, 21448, 22214, 22736, 22980, 23520, 24360, 26810, 28420, 30640, 32172, 32480, 33321, 34104, 36768, 37534, 40215, 42630, 42896, 44428, 45472, 45960, 48720, 53620, 55535, 56301, 56840, 61280, 64344, 66642, 68208, 75068, 77749, 80430, 85260, 85792, 88856, 91920, 93835, 97440, 107240, 111070, 112602, 113680, 128688, 133284, 136416, 150136, 155498, 160860, 166605, 170520, 177712, 183840, 187670, 214480, 222140, 225204, 227360, 233247, 257376, 266568, 281505, 300272, 310996, 321720, 333210, 341040, 355424, 375340, 388745, 428960, 444280, 450408, 466494, 533136, 544243, 563010, 600544, 621992, 643440, 666420, 682080, 750680, 777490, 888560, 900816, 932988, 1066272, 1088486, 1126020, 1166235, 1243984, 1286880, 1332840, 1501360, 1554980, 1632729, 1777120, 1801632, 1865976, 2176972, 2252040, 2332470, 2487968, 2665680, 2721215, 3002720, 3109960, 3265458, 3731952, 4353944, 4504080, 4664940, 5331360, 5442430, 6219920, 6530916, 7463904, 8163645, 8707888, 9008160, 9329880, 10884860, 12439840, 13061832, 16327290, 17415776, 18659760, 21769720, 26123664, 32654580, 37319520, 43539440, 52247328, 65309160, 87078880, 130618320, 261236640]

約数ペア:

[(1, 261236640), (2, 130618320), (3, 87078880), (4, 65309160), (5, 52247328), (6, 43539440), (7, 37319520), (8, 32654580), (10, 26123664), (12, 21769720), (14, 18659760), (15, 17415776), (16, 16327290), (20, 13061832), (21, 12439840), (24, 10884860), (28, 9329880), (29, 9008160), (30, 8707888), (32, 8163645), (35, 7463904), (40, 6530916), (42, 6219920), (48, 5442430), (49, 5331360), (56, 4664940), (58, 4504080), (60, 4353944), (70, 3731952), (80, 3265458), (84, 3109960), (87, 3002720), (96, 2721215), (98, 2665680), (105, 2487968), (112, 2332470), (116, 2252040), (120, 2176972), (140, 1865976), (145, 1801632), (147, 1777120), (160, 1632729), (168, 1554980), (174, 1501360), (196, 1332840), (203, 1286880), (210, 1243984), (224, 1166235), (232, 1126020), (240, 1088486), (245, 1066272), (280, 932988), (290, 900816), (294, 888560), (336, 777490), (348, 750680), (383, 682080), (392, 666420), (406, 643440), (420, 621992), (435, 600544), (464, 563010), (480, 544243), (490, 533136), (560, 466494), (580, 450408), (588, 444280), (609, 428960), (672, 388745), (696, 375340), (735, 355424), (766, 341040), (784, 333210), (812, 321720), (840, 310996), (870, 300272), (928, 281505), (980, 266568), (1015, 257376), (1120, 233247), (1149, 227360), (1160, 225204), (1176, 222140), (1218, 214480), (1392, 187670), (1421, 183840), (1470, 177712), (1532, 170520), (1568, 166605), (1624, 160860), (1680, 155498), (1740, 150136), (1915, 136416), (1960, 133284), (2030, 128688), (2298, 113680), (2320, 112602), (2352, 111070), (2436, 107240), (2681, 97440), (2784, 93835), (2842, 91920), (2940, 88856), (3045, 85792), (3064, 85260), (3248, 80430), (3360, 77749), (3480, 75068), (3830, 68208), (3920, 66642), (4060, 64344), (4263, 61280), (4596, 56840), (4640, 56301), (4704, 55535), (4872, 53620), (5362, 48720), (5684, 45960), (5745, 45472), (5880, 44428), (6090, 42896), (6128, 42630), (6496, 40215), (6960, 37534), (7105, 36768), (7660, 34104), (7840, 33321), (8043, 32480), (8120, 32172), (8526, 30640), (9192, 28420), (9744, 26810), (10724, 24360), (11107, 23520), (11368, 22980), (11490, 22736), (11760, 22214), (12180, 21448), (12256, 21315), (13405, 19488), (13920, 18767), (14210, 18384), (15320, 17052), (16086, 16240)]