920899840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1408

約数の個数: 144

約数和(自身を含む): 2554836480

約数和(自身を除く): 1633936640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1280, 1301, 1580, 1792, 2212, 2240, 2528, 2602, 2765, 3160, 4424, 4480, 5056, 5204, 5530, 6320, 6505, 8848, 8960, 9107, 10112, 10408, 11060, 12640, 13010, 17696, 18214, 20224, 20816, 22120, 25280, 26020, 35392, 36428, 41632, 44240, 45535, 50560, 52040, 70784, 72856, 83264, 88480, 91070, 101120, 102779, 104080, 141568, 145712, 166528, 176960, 182140, 205558, 208160, 291424, 333056, 353920, 364280, 411116, 416320, 513895, 582848, 707840, 719453, 728560, 822232, 832640, 1027790, 1165696, 1438906, 1457120, 1644464, 1665280, 2055580, 2331392, 2877812, 2914240, 3288928, 3597265, 4111160, 5755624, 5828480, 6577856, 7194530, 8222320, 11511248, 11656960, 13155712, 14389060, 16444640, 23022496, 26311424, 28778120, 32889280, 46044992, 57556240, 65778560, 92089984, 115112480, 131557120, 184179968, 230224960, 460449920, 920899840]

約数ペア:

[(1, 920899840), (2, 460449920), (4, 230224960), (5, 184179968), (7, 131557120), (8, 115112480), (10, 92089984), (14, 65778560), (16, 57556240), (20, 46044992), (28, 32889280), (32, 28778120), (35, 26311424), (40, 23022496), (56, 16444640), (64, 14389060), (70, 13155712), (79, 11656960), (80, 11511248), (112, 8222320), (128, 7194530), (140, 6577856), (158, 5828480), (160, 5755624), (224, 4111160), (256, 3597265), (280, 3288928), (316, 2914240), (320, 2877812), (395, 2331392), (448, 2055580), (553, 1665280), (560, 1644464), (632, 1457120), (640, 1438906), (790, 1165696), (896, 1027790), (1106, 832640), (1120, 822232), (1264, 728560), (1280, 719453), (1301, 707840), (1580, 582848), (1792, 513895), (2212, 416320), (2240, 411116), (2528, 364280), (2602, 353920), (2765, 333056), (3160, 291424), (4424, 208160), (4480, 205558), (5056, 182140), (5204, 176960), (5530, 166528), (6320, 145712), (6505, 141568), (8848, 104080), (8960, 102779), (9107, 101120), (10112, 91070), (10408, 88480), (11060, 83264), (12640, 72856), (13010, 70784), (17696, 52040), (18214, 50560), (20224, 45535), (20816, 44240), (22120, 41632), (25280, 36428), (26020, 35392)]