679720160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 1882258560

約数和(自身を除く): 1202538400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 181, 196, 224, 245, 280, 362, 392, 479, 490, 560, 724, 784, 905, 958, 980, 1120, 1267, 1448, 1568, 1810, 1916, 1960, 2395, 2534, 2896, 3353, 3620, 3832, 3920, 4790, 5068, 5792, 6335, 6706, 7240, 7664, 7840, 8869, 9580, 10136, 12670, 13412, 14480, 15328, 16765, 17738, 19160, 20272, 23471, 25340, 26824, 28960, 33530, 35476, 38320, 40544, 44345, 46942, 50680, 53648, 67060, 70952, 76640, 86699, 88690, 93884, 101360, 107296, 117355, 134120, 141904, 173398, 177380, 187768, 202720, 234710, 268240, 283808, 346796, 354760, 375536, 433495, 469420, 536480, 606893, 693592, 709520, 751072, 866990, 938840, 1213786, 1387184, 1419040, 1733980, 1877680, 2427572, 2774368, 3034465, 3467960, 3755360, 4248251, 4855144, 6068930, 6935920, 8496502, 9710288, 12137860, 13871840, 16993004, 19420576, 21241255, 24275720, 33986008, 42482510, 48551440, 67972016, 84965020, 97102880, 135944032, 169930040, 339860080, 679720160]

約数ペア:

[(1, 679720160), (2, 339860080), (4, 169930040), (5, 135944032), (7, 97102880), (8, 84965020), (10, 67972016), (14, 48551440), (16, 42482510), (20, 33986008), (28, 24275720), (32, 21241255), (35, 19420576), (40, 16993004), (49, 13871840), (56, 12137860), (70, 9710288), (80, 8496502), (98, 6935920), (112, 6068930), (140, 4855144), (160, 4248251), (181, 3755360), (196, 3467960), (224, 3034465), (245, 2774368), (280, 2427572), (362, 1877680), (392, 1733980), (479, 1419040), (490, 1387184), (560, 1213786), (724, 938840), (784, 866990), (905, 751072), (958, 709520), (980, 693592), (1120, 606893), (1267, 536480), (1448, 469420), (1568, 433495), (1810, 375536), (1916, 354760), (1960, 346796), (2395, 283808), (2534, 268240), (2896, 234710), (3353, 202720), (3620, 187768), (3832, 177380), (3920, 173398), (4790, 141904), (5068, 134120), (5792, 117355), (6335, 107296), (6706, 101360), (7240, 93884), (7664, 88690), (7840, 86699), (8869, 76640), (9580, 70952), (10136, 67060), (12670, 53648), (13412, 50680), (14480, 46942), (15328, 44345), (16765, 40544), (17738, 38320), (19160, 35476), (20272, 33530), (23471, 28960), (25340, 26824)]