81614160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:713

約数の個数: 120

約数和(自身を含む): 275768064

約数和(自身を除く): 194153904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 263, 360, 431, 526, 720, 789, 862, 1052, 1293, 1315, 1578, 1724, 2104, 2155, 2367, 2586, 2630, 3156, 3448, 3879, 3945, 4208, 4310, 4734, 5172, 5260, 6312, 6465, 6896, 7758, 7890, 8620, 9468, 10344, 10520, 11835, 12624, 12930, 15516, 15780, 17240, 18936, 19395, 20688, 21040, 23670, 25860, 31032, 31560, 34480, 37872, 38790, 47340, 51720, 62064, 63120, 77580, 94680, 103440, 113353, 155160, 189360, 226706, 310320, 340059, 453412, 566765, 680118, 906824, 1020177, 1133530, 1360236, 1700295, 1813648, 2040354, 2267060, 2720472, 3400590, 4080708, 4534120, 5100885, 5440944, 6801180, 8161416, 9068240, 10201770, 13602360, 16322832, 20403540, 27204720, 40807080, 81614160]

約数ペア:

[(1, 81614160), (2, 40807080), (3, 27204720), (4, 20403540), (5, 16322832), (6, 13602360), (8, 10201770), (9, 9068240), (10, 8161416), (12, 6801180), (15, 5440944), (16, 5100885), (18, 4534120), (20, 4080708), (24, 3400590), (30, 2720472), (36, 2267060), (40, 2040354), (45, 1813648), (48, 1700295), (60, 1360236), (72, 1133530), (80, 1020177), (90, 906824), (120, 680118), (144, 566765), (180, 453412), (240, 340059), (263, 310320), (360, 226706), (431, 189360), (526, 155160), (720, 113353), (789, 103440), (862, 94680), (1052, 77580), (1293, 63120), (1315, 62064), (1578, 51720), (1724, 47340), (2104, 38790), (2155, 37872), (2367, 34480), (2586, 31560), (2630, 31032), (3156, 25860), (3448, 23670), (3879, 21040), (3945, 20688), (4208, 19395), (4310, 18936), (4734, 17240), (5172, 15780), (5260, 15516), (6312, 12930), (6465, 12624), (6896, 11835), (7758, 10520), (7890, 10344), (8620, 9468)]