203215740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 718487280

約数和(自身を除く): 515271540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 169, 182, 195, 196, 210, 245, 260, 273, 294, 338, 364, 390, 409, 420, 455, 490, 507, 546, 588, 637, 676, 735, 780, 818, 845, 910, 980, 1014, 1092, 1183, 1227, 1274, 1365, 1470, 1636, 1690, 1820, 1911, 2028, 2045, 2366, 2454, 2535, 2548, 2730, 2863, 2940, 3185, 3380, 3549, 3822, 4090, 4732, 4908, 5070, 5317, 5460, 5726, 5915, 6135, 6370, 7098, 7644, 8180, 8281, 8589, 9555, 10140, 10634, 11452, 11830, 12270, 12740, 14196, 14315, 15951, 16562, 17178, 17745, 19110, 20041, 21268, 23660, 24540, 24843, 26585, 28630, 31902, 33124, 34356, 35490, 37219, 38220, 40082, 41405, 42945, 49686, 53170, 57260, 60123, 63804, 69121, 70980, 74438, 79755, 80164, 82810, 85890, 99372, 100205, 106340, 111657, 120246, 124215, 138242, 148876, 159510, 165620, 171780, 186095, 200410, 207363, 223314, 240492, 248430, 260533, 276484, 300615, 319020, 345605, 372190, 400820, 414726, 446628, 483847, 496860, 521066, 558285, 601230, 691210, 744380, 781599, 829452, 967694, 1036815, 1042132, 1116570, 1202460, 1302665, 1382420, 1451541, 1563198, 1935388, 2073630, 2233140, 2419235, 2605330, 2903082, 3126396, 3386929, 3907995, 4147260, 4838470, 5210660, 5806164, 6773858, 7257705, 7815990, 9676940, 10160787, 13547716, 14515410, 15631980, 16934645, 20321574, 29030820, 33869290, 40643148, 50803935, 67738580, 101607870, 203215740]

約数ペア:

[(1, 203215740), (2, 101607870), (3, 67738580), (4, 50803935), (5, 40643148), (6, 33869290), (7, 29030820), (10, 20321574), (12, 16934645), (13, 15631980), (14, 14515410), (15, 13547716), (20, 10160787), (21, 9676940), (26, 7815990), (28, 7257705), (30, 6773858), (35, 5806164), (39, 5210660), (42, 4838470), (49, 4147260), (52, 3907995), (60, 3386929), (65, 3126396), (70, 2903082), (78, 2605330), (84, 2419235), (91, 2233140), (98, 2073630), (105, 1935388), (130, 1563198), (140, 1451541), (147, 1382420), (156, 1302665), (169, 1202460), (182, 1116570), (195, 1042132), (196, 1036815), (210, 967694), (245, 829452), (260, 781599), (273, 744380), (294, 691210), (338, 601230), (364, 558285), (390, 521066), (409, 496860), (420, 483847), (455, 446628), (490, 414726), (507, 400820), (546, 372190), (588, 345605), (637, 319020), (676, 300615), (735, 276484), (780, 260533), (818, 248430), (845, 240492), (910, 223314), (980, 207363), (1014, 200410), (1092, 186095), (1183, 171780), (1227, 165620), (1274, 159510), (1365, 148876), (1470, 138242), (1636, 124215), (1690, 120246), (1820, 111657), (1911, 106340), (2028, 100205), (2045, 99372), (2366, 85890), (2454, 82810), (2535, 80164), (2548, 79755), (2730, 74438), (2863, 70980), (2940, 69121), (3185, 63804), (3380, 60123), (3549, 57260), (3822, 53170), (4090, 49686), (4732, 42945), (4908, 41405), (5070, 40082), (5317, 38220), (5460, 37219), (5726, 35490), (5915, 34356), (6135, 33124), (6370, 31902), (7098, 28630), (7644, 26585), (8180, 24843), (8281, 24540), (8589, 23660), (9555, 21268), (10140, 20041), (10634, 19110), (11452, 17745), (11830, 17178), (12270, 16562), (12740, 15951), (14196, 14315)]