257573120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 794707200

約数和(自身を除く): 537134080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 64, 68, 70, 76, 80, 85, 89, 95, 112, 119, 128, 133, 136, 140, 152, 160, 170, 178, 190, 224, 238, 256, 266, 272, 280, 304, 320, 323, 340, 356, 380, 445, 448, 476, 532, 544, 560, 595, 608, 623, 640, 646, 665, 680, 712, 760, 890, 896, 952, 1064, 1088, 1120, 1190, 1216, 1246, 1280, 1292, 1330, 1360, 1424, 1513, 1520, 1615, 1691, 1780, 1792, 1904, 2128, 2176, 2240, 2261, 2380, 2432, 2492, 2584, 2660, 2720, 2848, 3026, 3040, 3115, 3230, 3382, 3560, 3808, 4256, 4352, 4480, 4522, 4760, 4864, 4984, 5168, 5320, 5440, 5696, 6052, 6080, 6230, 6460, 6764, 7120, 7565, 7616, 8455, 8512, 8960, 9044, 9520, 9968, 10336, 10591, 10640, 10880, 11305, 11392, 11837, 12104, 12160, 12460, 12920, 13528, 14240, 15130, 15232, 16910, 17024, 18088, 19040, 19936, 20672, 21182, 21280, 21760, 22610, 22784, 23674, 24208, 24320, 24920, 25840, 27056, 28480, 28747, 30260, 30464, 33820, 34048, 36176, 38080, 39872, 41344, 42364, 42560, 45220, 47348, 48416, 49840, 51680, 52955, 54112, 56960, 57494, 59185, 60520, 67640, 72352, 76160, 79744, 82688, 84728, 85120, 90440, 94696, 96832, 99680, 103360, 105910, 108224, 113920, 114988, 118370, 121040, 135280, 143735, 144704, 152320, 159488, 169456, 170240, 180880, 189392, 193664, 199360, 201229, 206720, 211820, 216448, 229976, 236740, 242080, 270560, 287470, 289408, 338912, 361760, 378784, 387328, 398720, 402458, 413440, 423640, 432896, 459952, 473480, 484160, 541120, 574940, 578816, 677824, 723520, 757568, 797440, 804916, 847280, 919904, 946960, 968320, 1006145, 1082240, 1149880, 1355648, 1447040, 1515136, 1609832, 1694560, 1839808, 1893920, 1936640, 2012290, 2164480, 2299760, 2711296, 2894080, 3030272, 3219664, 3389120, 3679616, 3787840, 4024580, 4599520, 6439328, 6778240, 7359232, 7575680, 8049160, 9199040, 12878656, 13556480, 15151360, 16098320, 18398080, 25757312, 32196640, 36796160, 51514624, 64393280, 128786560, 257573120]

約数ペア:

[(1, 257573120), (2, 128786560), (4, 64393280), (5, 51514624), (7, 36796160), (8, 32196640), (10, 25757312), (14, 18398080), (16, 16098320), (17, 15151360), (19, 13556480), (20, 12878656), (28, 9199040), (32, 8049160), (34, 7575680), (35, 7359232), (38, 6778240), (40, 6439328), (56, 4599520), (64, 4024580), (68, 3787840), (70, 3679616), (76, 3389120), (80, 3219664), (85, 3030272), (89, 2894080), (95, 2711296), (112, 2299760), (119, 2164480), (128, 2012290), (133, 1936640), (136, 1893920), (140, 1839808), (152, 1694560), (160, 1609832), (170, 1515136), (178, 1447040), (190, 1355648), (224, 1149880), (238, 1082240), (256, 1006145), (266, 968320), (272, 946960), (280, 919904), (304, 847280), (320, 804916), (323, 797440), (340, 757568), (356, 723520), (380, 677824), (445, 578816), (448, 574940), (476, 541120), (532, 484160), (544, 473480), (560, 459952), (595, 432896), (608, 423640), (623, 413440), (640, 402458), (646, 398720), (665, 387328), (680, 378784), (712, 361760), (760, 338912), (890, 289408), (896, 287470), (952, 270560), (1064, 242080), (1088, 236740), (1120, 229976), (1190, 216448), (1216, 211820), (1246, 206720), (1280, 201229), (1292, 199360), (1330, 193664), (1360, 189392), (1424, 180880), (1513, 170240), (1520, 169456), (1615, 159488), (1691, 152320), (1780, 144704), (1792, 143735), (1904, 135280), (2128, 121040), (2176, 118370), (2240, 114988), (2261, 113920), (2380, 108224), (2432, 105910), (2492, 103360), (2584, 99680), (2660, 96832), (2720, 94696), (2848, 90440), (3026, 85120), (3040, 84728), (3115, 82688), (3230, 79744), (3382, 76160), (3560, 72352), (3808, 67640), (4256, 60520), (4352, 59185), (4480, 57494), (4522, 56960), (4760, 54112), (4864, 52955), (4984, 51680), (5168, 49840), (5320, 48416), (5440, 47348), (5696, 45220), (6052, 42560), (6080, 42364), (6230, 41344), (6460, 39872), (6764, 38080), (7120, 36176), (7565, 34048), (7616, 33820), (8455, 30464), (8512, 30260), (8960, 28747), (9044, 28480), (9520, 27056), (9968, 25840), (10336, 24920), (10591, 24320), (10640, 24208), (10880, 23674), (11305, 22784), (11392, 22610), (11837, 21760), (12104, 21280), (12160, 21182), (12460, 20672), (12920, 19936), (13528, 19040), (14240, 18088), (15130, 17024), (15232, 16910)]