87421880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 255104640

約数和(自身を除く): 167682760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 49, 52, 56, 65, 70, 73, 91, 94, 98, 104, 130, 140, 146, 182, 188, 196, 235, 245, 260, 280, 292, 329, 364, 365, 376, 392, 455, 470, 490, 511, 520, 584, 611, 637, 658, 728, 730, 910, 940, 949, 980, 1022, 1222, 1274, 1316, 1460, 1645, 1820, 1880, 1898, 1960, 2044, 2303, 2444, 2548, 2555, 2632, 2920, 3055, 3185, 3290, 3431, 3577, 3640, 3796, 4088, 4277, 4606, 4745, 4888, 5096, 5110, 6110, 6370, 6580, 6643, 6862, 7154, 7592, 8554, 9212, 9490, 10220, 11515, 12220, 12740, 13160, 13286, 13724, 14308, 17108, 17155, 17885, 18424, 18980, 20440, 21385, 23030, 24017, 24440, 25480, 26572, 27448, 28616, 29939, 33215, 34216, 34310, 35770, 37960, 42770, 44603, 46060, 46501, 48034, 53144, 59878, 66430, 68620, 71540, 85540, 89206, 92120, 93002, 96068, 119756, 120085, 132860, 137240, 143080, 149695, 168119, 171080, 178412, 186004, 192136, 223015, 232505, 239512, 240170, 265720, 299390, 312221, 336238, 356824, 372008, 446030, 465010, 480340, 598780, 624442, 672476, 840595, 892060, 930020, 960680, 1197560, 1248884, 1344952, 1561105, 1681190, 1784120, 1860040, 2185547, 2497768, 3122210, 3362380, 4371094, 6244420, 6724760, 8742188, 10927735, 12488840, 17484376, 21855470, 43710940, 87421880]

約数ペア:

[(1, 87421880), (2, 43710940), (4, 21855470), (5, 17484376), (7, 12488840), (8, 10927735), (10, 8742188), (13, 6724760), (14, 6244420), (20, 4371094), (26, 3362380), (28, 3122210), (35, 2497768), (40, 2185547), (47, 1860040), (49, 1784120), (52, 1681190), (56, 1561105), (65, 1344952), (70, 1248884), (73, 1197560), (91, 960680), (94, 930020), (98, 892060), (104, 840595), (130, 672476), (140, 624442), (146, 598780), (182, 480340), (188, 465010), (196, 446030), (235, 372008), (245, 356824), (260, 336238), (280, 312221), (292, 299390), (329, 265720), (364, 240170), (365, 239512), (376, 232505), (392, 223015), (455, 192136), (470, 186004), (490, 178412), (511, 171080), (520, 168119), (584, 149695), (611, 143080), (637, 137240), (658, 132860), (728, 120085), (730, 119756), (910, 96068), (940, 93002), (949, 92120), (980, 89206), (1022, 85540), (1222, 71540), (1274, 68620), (1316, 66430), (1460, 59878), (1645, 53144), (1820, 48034), (1880, 46501), (1898, 46060), (1960, 44603), (2044, 42770), (2303, 37960), (2444, 35770), (2548, 34310), (2555, 34216), (2632, 33215), (2920, 29939), (3055, 28616), (3185, 27448), (3290, 26572), (3431, 25480), (3577, 24440), (3640, 24017), (3796, 23030), (4088, 21385), (4277, 20440), (4606, 18980), (4745, 18424), (4888, 17885), (5096, 17155), (5110, 17108), (6110, 14308), (6370, 13724), (6580, 13286), (6643, 13160), (6862, 12740), (7154, 12220), (7592, 11515), (8554, 10220), (9212, 9490)]