1620237768

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4539

約数の個数: 128

約数和(自身を含む): 4611686400

約数和(自身を除く): 2991448632

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 47, 51, 57, 68, 76, 94, 102, 114, 136, 141, 152, 188, 204, 228, 282, 323, 376, 408, 456, 564, 646, 799, 893, 969, 1128, 1292, 1598, 1786, 1938, 2397, 2584, 2679, 3196, 3572, 3876, 4447, 4794, 5358, 6392, 7144, 7752, 8894, 9588, 10716, 13341, 15181, 17788, 19176, 21432, 26682, 30362, 35576, 45543, 53364, 60724, 75599, 84493, 91086, 106728, 121448, 151198, 168986, 182172, 209009, 226797, 253479, 302396, 337972, 364344, 418018, 453594, 506958, 604792, 627027, 675944, 836036, 907188, 1013916, 1254054, 1436381, 1672072, 1814376, 2027832, 2508108, 2872762, 3553153, 3971171, 4309143, 5016216, 5745524, 7106306, 7942342, 8618286, 10659459, 11491048, 11913513, 14212612, 15884684, 17236572, 21318918, 23827026, 28425224, 31769368, 34473144, 42637836, 47654052, 67509907, 85275672, 95308104, 135019814, 202529721, 270039628, 405059442, 540079256, 810118884, 1620237768]

約数ペア:

[(1, 1620237768), (2, 810118884), (3, 540079256), (4, 405059442), (6, 270039628), (8, 202529721), (12, 135019814), (17, 95308104), (19, 85275672), (24, 67509907), (34, 47654052), (38, 42637836), (47, 34473144), (51, 31769368), (57, 28425224), (68, 23827026), (76, 21318918), (94, 17236572), (102, 15884684), (114, 14212612), (136, 11913513), (141, 11491048), (152, 10659459), (188, 8618286), (204, 7942342), (228, 7106306), (282, 5745524), (323, 5016216), (376, 4309143), (408, 3971171), (456, 3553153), (564, 2872762), (646, 2508108), (799, 2027832), (893, 1814376), (969, 1672072), (1128, 1436381), (1292, 1254054), (1598, 1013916), (1786, 907188), (1938, 836036), (2397, 675944), (2584, 627027), (2679, 604792), (3196, 506958), (3572, 453594), (3876, 418018), (4447, 364344), (4794, 337972), (5358, 302396), (6392, 253479), (7144, 226797), (7752, 209009), (8894, 182172), (9588, 168986), (10716, 151198), (13341, 121448), (15181, 106728), (17788, 91086), (19176, 84493), (21432, 75599), (26682, 60724), (30362, 53364), (35576, 45543)]