262595840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 695025408

約数和(自身を除く): 432429568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 256, 260, 320, 344, 367, 416, 430, 520, 559, 640, 688, 734, 832, 860, 1040, 1118, 1280, 1376, 1468, 1664, 1720, 1835, 2080, 2236, 2752, 2795, 2936, 3328, 3440, 3670, 4160, 4472, 4771, 5504, 5590, 5872, 6880, 7340, 8320, 8944, 9542, 11008, 11180, 11744, 13760, 14680, 15781, 16640, 17888, 19084, 22360, 23488, 23855, 27520, 29360, 31562, 35776, 38168, 44720, 46976, 47710, 55040, 58720, 63124, 71552, 76336, 78905, 89440, 93952, 95420, 117440, 126248, 143104, 152672, 157810, 178880, 190840, 205153, 234880, 252496, 305344, 315620, 357760, 381680, 410306, 469760, 504992, 610688, 631240, 715520, 763360, 820612, 1009984, 1025765, 1221376, 1262480, 1526720, 1641224, 2019968, 2051530, 2524960, 3053440, 3282448, 4039936, 4103060, 5049920, 6106880, 6564896, 8206120, 10099840, 13129792, 16412240, 20199680, 26259584, 32824480, 52519168, 65648960, 131297920, 262595840]

約数ペア:

[(1, 262595840), (2, 131297920), (4, 65648960), (5, 52519168), (8, 32824480), (10, 26259584), (13, 20199680), (16, 16412240), (20, 13129792), (26, 10099840), (32, 8206120), (40, 6564896), (43, 6106880), (52, 5049920), (64, 4103060), (65, 4039936), (80, 3282448), (86, 3053440), (104, 2524960), (128, 2051530), (130, 2019968), (160, 1641224), (172, 1526720), (208, 1262480), (215, 1221376), (256, 1025765), (260, 1009984), (320, 820612), (344, 763360), (367, 715520), (416, 631240), (430, 610688), (520, 504992), (559, 469760), (640, 410306), (688, 381680), (734, 357760), (832, 315620), (860, 305344), (1040, 252496), (1118, 234880), (1280, 205153), (1376, 190840), (1468, 178880), (1664, 157810), (1720, 152672), (1835, 143104), (2080, 126248), (2236, 117440), (2752, 95420), (2795, 93952), (2936, 89440), (3328, 78905), (3440, 76336), (3670, 71552), (4160, 63124), (4472, 58720), (4771, 55040), (5504, 47710), (5590, 46976), (5872, 44720), (6880, 38168), (7340, 35776), (8320, 31562), (8944, 29360), (9542, 27520), (11008, 23855), (11180, 23488), (11744, 22360), (13760, 19084), (14680, 17888), (15781, 16640)]