20780197440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:985

約数の個数: 224

約数和(自身を含む): 66781338624

約数和(自身を除く): 46001141184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 167, 192, 227, 240, 320, 334, 454, 480, 501, 571, 668, 681, 835, 908, 960, 1002, 1135, 1142, 1336, 1362, 1670, 1713, 1816, 2004, 2270, 2284, 2505, 2672, 2724, 2855, 3340, 3405, 3426, 3632, 4008, 4540, 4568, 5010, 5344, 5448, 5710, 6680, 6810, 6852, 7264, 8016, 8565, 9080, 9136, 10020, 10688, 10896, 11420, 13360, 13620, 13704, 14528, 16032, 17130, 18160, 18272, 20040, 21792, 22840, 26720, 27240, 27408, 32064, 34260, 36320, 36544, 37909, 40080, 43584, 45680, 53440, 54480, 54816, 68520, 72640, 75818, 80160, 91360, 95357, 108960, 109632, 113727, 129617, 137040, 151636, 160320, 182720, 189545, 190714, 217920, 227454, 259234, 274080, 286071, 303272, 379090, 381428, 388851, 454908, 476785, 518468, 548160, 568635, 572142, 606544, 648085, 758180, 762856, 777702, 909816, 953570, 1036936, 1137270, 1144284, 1213088, 1296170, 1430355, 1516360, 1525712, 1555404, 1819632, 1907140, 1944255, 2073872, 2274540, 2288568, 2426176, 2592340, 2860710, 3032720, 3051424, 3110808, 3639264, 3814280, 3888510, 4147744, 4549080, 4577136, 5184680, 5721420, 6065440, 6102848, 6221616, 7278528, 7628560, 7777020, 8295488, 9098160, 9154272, 10369360, 11442840, 12130880, 12443232, 15257120, 15554040, 18196320, 18308544, 20738720, 21646039, 22885680, 24886464, 30514240, 31108080, 36392640, 41477440, 43292078, 45771360, 62216160, 64938117, 86584156, 91542720, 108230195, 124432320, 129876234, 173168312, 216460390, 259752468, 324690585, 346336624, 432920780, 519504936, 649381170, 692673248, 865841560, 1039009872, 1298762340, 1385346496, 1731683120, 2078019744, 2597524680, 3463366240, 4156039488, 5195049360, 6926732480, 10390098720, 20780197440]

約数ペア:

[(1, 20780197440), (2, 10390098720), (3, 6926732480), (4, 5195049360), (5, 4156039488), (6, 3463366240), (8, 2597524680), (10, 2078019744), (12, 1731683120), (15, 1385346496), (16, 1298762340), (20, 1039009872), (24, 865841560), (30, 692673248), (32, 649381170), (40, 519504936), (48, 432920780), (60, 346336624), (64, 324690585), (80, 259752468), (96, 216460390), (120, 173168312), (160, 129876234), (167, 124432320), (192, 108230195), (227, 91542720), (240, 86584156), (320, 64938117), (334, 62216160), (454, 45771360), (480, 43292078), (501, 41477440), (571, 36392640), (668, 31108080), (681, 30514240), (835, 24886464), (908, 22885680), (960, 21646039), (1002, 20738720), (1135, 18308544), (1142, 18196320), (1336, 15554040), (1362, 15257120), (1670, 12443232), (1713, 12130880), (1816, 11442840), (2004, 10369360), (2270, 9154272), (2284, 9098160), (2505, 8295488), (2672, 7777020), (2724, 7628560), (2855, 7278528), (3340, 6221616), (3405, 6102848), (3426, 6065440), (3632, 5721420), (4008, 5184680), (4540, 4577136), (4568, 4549080), (5010, 4147744), (5344, 3888510), (5448, 3814280), (5710, 3639264), (6680, 3110808), (6810, 3051424), (6852, 3032720), (7264, 2860710), (8016, 2592340), (8565, 2426176), (9080, 2288568), (9136, 2274540), (10020, 2073872), (10688, 1944255), (10896, 1907140), (11420, 1819632), (13360, 1555404), (13620, 1525712), (13704, 1516360), (14528, 1430355), (16032, 1296170), (17130, 1213088), (18160, 1144284), (18272, 1137270), (20040, 1036936), (21792, 953570), (22840, 909816), (26720, 777702), (27240, 762856), (27408, 758180), (32064, 648085), (34260, 606544), (36320, 572142), (36544, 568635), (37909, 548160), (40080, 518468), (43584, 476785), (45680, 454908), (53440, 388851), (54480, 381428), (54816, 379090), (68520, 303272), (72640, 286071), (75818, 274080), (80160, 259234), (91360, 227454), (95357, 217920), (108960, 190714), (109632, 189545), (113727, 182720), (129617, 160320), (137040, 151636)]