206939880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:941

約数の個数: 256

約数和(自身を含む): 814694400

約数和(自身を除く): 607754520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 883, 930, 945, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1766, 1860, 1890, 1953, 2170, 2232, 2520, 2604, 2649, 2790, 3255, 3348, 3532, 3720, 3780, 3906, 4185, 4340, 4415, 5208, 5298, 5580, 5859, 6181, 6510, 6696, 7064, 7560, 7812, 7947, 8370, 8680, 8830, 9765, 10596, 11160, 11718, 12362, 13020, 13245, 15624, 15894, 16740, 17660, 18543, 19530, 21192, 23436, 23841, 24724, 26040, 26490, 27373, 29295, 30905, 31788, 33480, 35320, 37086, 39060, 39735, 46872, 47682, 49448, 52980, 54746, 55629, 58590, 61810, 63576, 74172, 78120, 79470, 82119, 92715, 95364, 105960, 109492, 111258, 117180, 119205, 123620, 136865, 148344, 158940, 164238, 166887, 185430, 190728, 191611, 218984, 222516, 234360, 238410, 246357, 247240, 273730, 278145, 317880, 328476, 333774, 370860, 383222, 410595, 445032, 476820, 492714, 547460, 556290, 574833, 656952, 667548, 739071, 741720, 766444, 821190, 834435, 953640, 958055, 985428, 1094920, 1112580, 1149666, 1231785, 1335096, 1478142, 1532888, 1642380, 1668870, 1724499, 1916110, 1970856, 2225160, 2299332, 2463570, 2874165, 2956284, 3284760, 3337740, 3448998, 3695355, 3832220, 4598664, 4927140, 5173497, 5748330, 5912568, 6675480, 6897996, 7390710, 7664440, 8622495, 9854280, 10346994, 11496660, 13795992, 14781420, 17244990, 20693988, 22993320, 25867485, 29562840, 34489980, 41387976, 51734970, 68979960, 103469940, 206939880]

約数ペア:

[(1, 206939880), (2, 103469940), (3, 68979960), (4, 51734970), (5, 41387976), (6, 34489980), (7, 29562840), (8, 25867485), (9, 22993320), (10, 20693988), (12, 17244990), (14, 14781420), (15, 13795992), (18, 11496660), (20, 10346994), (21, 9854280), (24, 8622495), (27, 7664440), (28, 7390710), (30, 6897996), (31, 6675480), (35, 5912568), (36, 5748330), (40, 5173497), (42, 4927140), (45, 4598664), (54, 3832220), (56, 3695355), (60, 3448998), (62, 3337740), (63, 3284760), (70, 2956284), (72, 2874165), (84, 2463570), (90, 2299332), (93, 2225160), (105, 1970856), (108, 1916110), (120, 1724499), (124, 1668870), (126, 1642380), (135, 1532888), (140, 1478142), (155, 1335096), (168, 1231785), (180, 1149666), (186, 1112580), (189, 1094920), (210, 985428), (216, 958055), (217, 953640), (248, 834435), (252, 821190), (270, 766444), (279, 741720), (280, 739071), (310, 667548), (315, 656952), (360, 574833), (372, 556290), (378, 547460), (420, 492714), (434, 476820), (465, 445032), (504, 410595), (540, 383222), (558, 370860), (620, 333774), (630, 328476), (651, 317880), (744, 278145), (756, 273730), (837, 247240), (840, 246357), (868, 238410), (883, 234360), (930, 222516), (945, 218984), (1080, 191611), (1085, 190728), (1116, 185430), (1240, 166887), (1260, 164238), (1302, 158940), (1395, 148344), (1512, 136865), (1674, 123620), (1736, 119205), (1766, 117180), (1860, 111258), (1890, 109492), (1953, 105960), (2170, 95364), (2232, 92715), (2520, 82119), (2604, 79470), (2649, 78120), (2790, 74172), (3255, 63576), (3348, 61810), (3532, 58590), (3720, 55629), (3780, 54746), (3906, 52980), (4185, 49448), (4340, 47682), (4415, 46872), (5208, 39735), (5298, 39060), (5580, 37086), (5859, 35320), (6181, 33480), (6510, 31788), (6696, 30905), (7064, 29295), (7560, 27373), (7812, 26490), (7947, 26040), (8370, 24724), (8680, 23841), (8830, 23436), (9765, 21192), (10596, 19530), (11160, 18543), (11718, 17660), (12362, 16740), (13020, 15894), (13245, 15624)]