256009680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 320

約数和(自身を含む): 941011200

約数和(自身を除く): 685001520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 61, 67, 72, 80, 87, 90, 108, 116, 120, 122, 134, 135, 144, 145, 174, 180, 183, 201, 216, 232, 240, 244, 261, 268, 270, 290, 305, 335, 348, 360, 366, 402, 432, 435, 464, 488, 522, 536, 540, 549, 580, 603, 610, 670, 696, 720, 732, 783, 804, 870, 915, 976, 1005, 1044, 1072, 1080, 1098, 1160, 1206, 1220, 1305, 1340, 1392, 1464, 1566, 1608, 1647, 1740, 1769, 1809, 1830, 1943, 2010, 2088, 2160, 2196, 2320, 2412, 2440, 2610, 2680, 2745, 2928, 3015, 3132, 3216, 3294, 3480, 3538, 3618, 3660, 3886, 3915, 4020, 4087, 4176, 4392, 4824, 4880, 5220, 5307, 5360, 5490, 5829, 6030, 6264, 6588, 6960, 7076, 7236, 7320, 7772, 7830, 8040, 8174, 8235, 8784, 8845, 9045, 9648, 9715, 10440, 10614, 10980, 11658, 12060, 12261, 12528, 13176, 14152, 14472, 14640, 15544, 15660, 15921, 16080, 16348, 16470, 17487, 17690, 18090, 19430, 20435, 20880, 21228, 21960, 23316, 24120, 24522, 26352, 26535, 28304, 28944, 29145, 31088, 31320, 31842, 32696, 32940, 34974, 35380, 36180, 36783, 38860, 40870, 42456, 43920, 46632, 47763, 48240, 49044, 52461, 53070, 58290, 61305, 62640, 63684, 65392, 65880, 69948, 70760, 72360, 73566, 77720, 79605, 81740, 84912, 87435, 93264, 95526, 98088, 104922, 106140, 110349, 116580, 118523, 122610, 127368, 131760, 139896, 141520, 144720, 147132, 155440, 159210, 163480, 174870, 183915, 191052, 196176, 209844, 212280, 220698, 233160, 237046, 238815, 245220, 254736, 262305, 279792, 294264, 318420, 326960, 349740, 355569, 367830, 382104, 419688, 424560, 441396, 466320, 474092, 477630, 490440, 524610, 551745, 588528, 592615, 636840, 699480, 711138, 735660, 764208, 839376, 882792, 948184, 955260, 980880, 1049220, 1066707, 1103490, 1185230, 1273680, 1398960, 1422276, 1471320, 1765584, 1777845, 1896368, 1910520, 2098440, 2133414, 2206980, 2370460, 2844552, 2942640, 3200121, 3555690, 3821040, 4196880, 4266828, 4413960, 4740920, 5333535, 5689104, 6400242, 7111380, 8533656, 8827920, 9481840, 10667070, 12800484, 14222760, 16000605, 17067312, 21334140, 25600968, 28445520, 32001210, 42668280, 51201936, 64002420, 85336560, 128004840, 256009680]

約数ペア:

[(1, 256009680), (2, 128004840), (3, 85336560), (4, 64002420), (5, 51201936), (6, 42668280), (8, 32001210), (9, 28445520), (10, 25600968), (12, 21334140), (15, 17067312), (16, 16000605), (18, 14222760), (20, 12800484), (24, 10667070), (27, 9481840), (29, 8827920), (30, 8533656), (36, 7111380), (40, 6400242), (45, 5689104), (48, 5333535), (54, 4740920), (58, 4413960), (60, 4266828), (61, 4196880), (67, 3821040), (72, 3555690), (80, 3200121), (87, 2942640), (90, 2844552), (108, 2370460), (116, 2206980), (120, 2133414), (122, 2098440), (134, 1910520), (135, 1896368), (144, 1777845), (145, 1765584), (174, 1471320), (180, 1422276), (183, 1398960), (201, 1273680), (216, 1185230), (232, 1103490), (240, 1066707), (244, 1049220), (261, 980880), (268, 955260), (270, 948184), (290, 882792), (305, 839376), (335, 764208), (348, 735660), (360, 711138), (366, 699480), (402, 636840), (432, 592615), (435, 588528), (464, 551745), (488, 524610), (522, 490440), (536, 477630), (540, 474092), (549, 466320), (580, 441396), (603, 424560), (610, 419688), (670, 382104), (696, 367830), (720, 355569), (732, 349740), (783, 326960), (804, 318420), (870, 294264), (915, 279792), (976, 262305), (1005, 254736), (1044, 245220), (1072, 238815), (1080, 237046), (1098, 233160), (1160, 220698), (1206, 212280), (1220, 209844), (1305, 196176), (1340, 191052), (1392, 183915), (1464, 174870), (1566, 163480), (1608, 159210), (1647, 155440), (1740, 147132), (1769, 144720), (1809, 141520), (1830, 139896), (1943, 131760), (2010, 127368), (2088, 122610), (2160, 118523), (2196, 116580), (2320, 110349), (2412, 106140), (2440, 104922), (2610, 98088), (2680, 95526), (2745, 93264), (2928, 87435), (3015, 84912), (3132, 81740), (3216, 79605), (3294, 77720), (3480, 73566), (3538, 72360), (3618, 70760), (3660, 69948), (3886, 65880), (3915, 65392), (4020, 63684), (4087, 62640), (4176, 61305), (4392, 58290), (4824, 53070), (4880, 52461), (5220, 49044), (5307, 48240), (5360, 47763), (5490, 46632), (5829, 43920), (6030, 42456), (6264, 40870), (6588, 38860), (6960, 36783), (7076, 36180), (7236, 35380), (7320, 34974), (7772, 32940), (7830, 32696), (8040, 31842), (8174, 31320), (8235, 31088), (8784, 29145), (8845, 28944), (9045, 28304), (9648, 26535), (9715, 26352), (10440, 24522), (10614, 24120), (10980, 23316), (11658, 21960), (12060, 21228), (12261, 20880), (12528, 20435), (13176, 19430), (14152, 18090), (14472, 17690), (14640, 17487), (15544, 16470), (15660, 16348), (15921, 16080)]