128786560

素因数分解:

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

素因数の和:151

約数の個数: 256

約数和(自身を含む): 396576000

約数和(自身を除く): 267789440

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, 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, 1292, 1330, 1360, 1424, 1513, 1520, 1615, 1691, 1780, 1904, 2128, 2176, 2240, 2261, 2380, 2432, 2492, 2584, 2660, 2720, 2848, 3026, 3040, 3115, 3230, 3382, 3560, 3808, 4256, 4480, 4522, 4760, 4984, 5168, 5320, 5440, 5696, 6052, 6080, 6230, 6460, 6764, 7120, 7565, 7616, 8455, 8512, 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, 22610, 23674, 24208, 24920, 25840, 27056, 28480, 28747, 30260, 33820, 36176, 38080, 39872, 41344, 42364, 42560, 45220, 47348, 48416, 49840, 51680, 52955, 54112, 56960, 57494, 59185, 60520, 67640, 72352, 76160, 79744, 84728, 85120, 90440, 94696, 96832, 99680, 103360, 105910, 108224, 114988, 118370, 121040, 135280, 143735, 144704, 169456, 180880, 189392, 193664, 199360, 201229, 206720, 211820, 216448, 229976, 236740, 242080, 270560, 287470, 289408, 338912, 361760, 378784, 398720, 402458, 423640, 459952, 473480, 484160, 541120, 574940, 677824, 723520, 757568, 804916, 847280, 919904, 946960, 968320, 1006145, 1082240, 1149880, 1355648, 1447040, 1515136, 1609832, 1694560, 1839808, 1893920, 2012290, 2299760, 3219664, 3389120, 3679616, 3787840, 4024580, 4599520, 6439328, 6778240, 7575680, 8049160, 9199040, 12878656, 16098320, 18398080, 25757312, 32196640, 64393280, 128786560]

約数ペア:

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