1870294720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:871

約数の個数: 168

約数和(自身を含む): 5217292080

約数和(自身を除く): 3346997360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 181, 196, 224, 245, 280, 320, 362, 392, 448, 490, 560, 659, 724, 784, 905, 980, 1120, 1267, 1318, 1448, 1568, 1810, 1960, 2240, 2534, 2636, 2896, 3136, 3295, 3620, 3920, 4613, 5068, 5272, 5792, 6335, 6590, 7240, 7840, 8869, 9226, 10136, 10544, 11584, 12670, 13180, 14480, 15680, 17738, 18452, 20272, 21088, 23065, 25340, 26360, 28960, 32291, 35476, 36904, 40544, 42176, 44345, 46130, 50680, 52720, 57920, 64582, 70952, 73808, 81088, 88690, 92260, 101360, 105440, 119279, 129164, 141904, 147616, 161455, 177380, 184520, 202720, 210880, 238558, 258328, 283808, 295232, 322910, 354760, 369040, 405440, 477116, 516656, 567616, 596395, 645820, 709520, 738080, 834953, 954232, 1033312, 1192790, 1291640, 1419040, 1476160, 1669906, 1908464, 2066624, 2385580, 2583280, 2838080, 3339812, 3816928, 4174765, 4771160, 5166560, 5844671, 6679624, 7633856, 8349530, 9542320, 10333120, 11689342, 13359248, 16699060, 19084640, 23378684, 26718496, 29223355, 33398120, 38169280, 46757368, 53436992, 58446710, 66796240, 93514736, 116893420, 133592480, 187029472, 233786840, 267184960, 374058944, 467573680, 935147360, 1870294720]

約数ペア:

[(1, 1870294720), (2, 935147360), (4, 467573680), (5, 374058944), (7, 267184960), (8, 233786840), (10, 187029472), (14, 133592480), (16, 116893420), (20, 93514736), (28, 66796240), (32, 58446710), (35, 53436992), (40, 46757368), (49, 38169280), (56, 33398120), (64, 29223355), (70, 26718496), (80, 23378684), (98, 19084640), (112, 16699060), (140, 13359248), (160, 11689342), (181, 10333120), (196, 9542320), (224, 8349530), (245, 7633856), (280, 6679624), (320, 5844671), (362, 5166560), (392, 4771160), (448, 4174765), (490, 3816928), (560, 3339812), (659, 2838080), (724, 2583280), (784, 2385580), (905, 2066624), (980, 1908464), (1120, 1669906), (1267, 1476160), (1318, 1419040), (1448, 1291640), (1568, 1192790), (1810, 1033312), (1960, 954232), (2240, 834953), (2534, 738080), (2636, 709520), (2896, 645820), (3136, 596395), (3295, 567616), (3620, 516656), (3920, 477116), (4613, 405440), (5068, 369040), (5272, 354760), (5792, 322910), (6335, 295232), (6590, 283808), (7240, 258328), (7840, 238558), (8869, 210880), (9226, 202720), (10136, 184520), (10544, 177380), (11584, 161455), (12670, 147616), (13180, 141904), (14480, 129164), (15680, 119279), (17738, 105440), (18452, 101360), (20272, 92260), (21088, 88690), (23065, 81088), (25340, 73808), (26360, 70952), (28960, 64582), (32291, 57920), (35476, 52720), (36904, 50680), (40544, 46130), (42176, 44345)]