65648960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 112

約数和(自身を含む): 172736256

約数和(自身を除く): 107087296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 367, 416, 430, 520, 559, 688, 734, 832, 860, 1040, 1118, 1376, 1468, 1720, 1835, 2080, 2236, 2752, 2795, 2936, 3440, 3670, 4160, 4472, 4771, 5590, 5872, 6880, 7340, 8944, 9542, 11180, 11744, 13760, 14680, 15781, 17888, 19084, 22360, 23488, 23855, 29360, 31562, 35776, 38168, 44720, 47710, 58720, 63124, 76336, 78905, 89440, 95420, 117440, 126248, 152672, 157810, 178880, 190840, 205153, 252496, 305344, 315620, 381680, 410306, 504992, 631240, 763360, 820612, 1009984, 1025765, 1262480, 1526720, 1641224, 2051530, 2524960, 3282448, 4103060, 5049920, 6564896, 8206120, 13129792, 16412240, 32824480, 65648960]

約数ペア:

[(1, 65648960), (2, 32824480), (4, 16412240), (5, 13129792), (8, 8206120), (10, 6564896), (13, 5049920), (16, 4103060), (20, 3282448), (26, 2524960), (32, 2051530), (40, 1641224), (43, 1526720), (52, 1262480), (64, 1025765), (65, 1009984), (80, 820612), (86, 763360), (104, 631240), (130, 504992), (160, 410306), (172, 381680), (208, 315620), (215, 305344), (260, 252496), (320, 205153), (344, 190840), (367, 178880), (416, 157810), (430, 152672), (520, 126248), (559, 117440), (688, 95420), (734, 89440), (832, 78905), (860, 76336), (1040, 63124), (1118, 58720), (1376, 47710), (1468, 44720), (1720, 38168), (1835, 35776), (2080, 31562), (2236, 29360), (2752, 23855), (2795, 23488), (2936, 22360), (3440, 19084), (3670, 17888), (4160, 15781), (4472, 14680), (4771, 13760), (5590, 11744), (5872, 11180), (6880, 9542), (7340, 8944)]