81909120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1212

約数の個数: 128

約数和(自身を含む): 268374240

約数和(自身を除く): 186465120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1153, 1184, 1480, 1776, 1920, 2220, 2306, 2368, 2960, 3459, 3552, 4440, 4612, 4736, 5765, 5920, 6918, 7104, 8880, 9224, 11530, 11840, 13836, 14208, 17295, 17760, 18448, 23060, 23680, 27672, 34590, 35520, 36896, 42661, 46120, 55344, 69180, 71040, 73792, 85322, 92240, 110688, 127983, 138360, 147584, 170644, 184480, 213305, 221376, 255966, 276720, 341288, 368960, 426610, 442752, 511932, 553440, 639915, 682576, 737920, 853220, 1023864, 1106880, 1279830, 1365152, 1706440, 2047728, 2213760, 2559660, 2730304, 3412880, 4095456, 5119320, 5460608, 6825760, 8190912, 10238640, 13651520, 16381824, 20477280, 27303040, 40954560, 81909120]

約数ペア:

[(1, 81909120), (2, 40954560), (3, 27303040), (4, 20477280), (5, 16381824), (6, 13651520), (8, 10238640), (10, 8190912), (12, 6825760), (15, 5460608), (16, 5119320), (20, 4095456), (24, 3412880), (30, 2730304), (32, 2559660), (37, 2213760), (40, 2047728), (48, 1706440), (60, 1365152), (64, 1279830), (74, 1106880), (80, 1023864), (96, 853220), (111, 737920), (120, 682576), (128, 639915), (148, 553440), (160, 511932), (185, 442752), (192, 426610), (222, 368960), (240, 341288), (296, 276720), (320, 255966), (370, 221376), (384, 213305), (444, 184480), (480, 170644), (555, 147584), (592, 138360), (640, 127983), (740, 110688), (888, 92240), (960, 85322), (1110, 73792), (1153, 71040), (1184, 69180), (1480, 55344), (1776, 46120), (1920, 42661), (2220, 36896), (2306, 35520), (2368, 34590), (2960, 27672), (3459, 23680), (3552, 23060), (4440, 18448), (4612, 17760), (4736, 17295), (5765, 14208), (5920, 13836), (6918, 11840), (7104, 11530), (8880, 9224)]