1256505640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3467

約数の個数: 128

約数和(自身を含む): 3280435200

約数和(自身を除く): 2023929560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 598, 620, 713, 806, 920, 1196, 1240, 1426, 1495, 1612, 2015, 2392, 2852, 2990, 3224, 3389, 3565, 4030, 5704, 5980, 6778, 7130, 8060, 9269, 11960, 13556, 14260, 16120, 16945, 18538, 27112, 28520, 33890, 37076, 44057, 46345, 67780, 74152, 77947, 88114, 92690, 105059, 135560, 155894, 176228, 185380, 210118, 220285, 311788, 352456, 370760, 389735, 420236, 440570, 525295, 623576, 779470, 840472, 881140, 1013311, 1050590, 1365767, 1558940, 1762280, 2026622, 2101180, 2416357, 2731534, 3117880, 4053244, 4202360, 4832714, 5066555, 5463068, 6828835, 8106488, 9665428, 10133110, 10926136, 12081785, 13657670, 19330856, 20266220, 24163570, 27315340, 31412641, 40532440, 48327140, 54630680, 62825282, 96654280, 125650564, 157063205, 251301128, 314126410, 628252820, 1256505640]

約数ペア:

[(1, 1256505640), (2, 628252820), (4, 314126410), (5, 251301128), (8, 157063205), (10, 125650564), (13, 96654280), (20, 62825282), (23, 54630680), (26, 48327140), (31, 40532440), (40, 31412641), (46, 27315340), (52, 24163570), (62, 20266220), (65, 19330856), (92, 13657670), (104, 12081785), (115, 10926136), (124, 10133110), (130, 9665428), (155, 8106488), (184, 6828835), (230, 5463068), (248, 5066555), (260, 4832714), (299, 4202360), (310, 4053244), (403, 3117880), (460, 2731534), (520, 2416357), (598, 2101180), (620, 2026622), (713, 1762280), (806, 1558940), (920, 1365767), (1196, 1050590), (1240, 1013311), (1426, 881140), (1495, 840472), (1612, 779470), (2015, 623576), (2392, 525295), (2852, 440570), (2990, 420236), (3224, 389735), (3389, 370760), (3565, 352456), (4030, 311788), (5704, 220285), (5980, 210118), (6778, 185380), (7130, 176228), (8060, 155894), (9269, 135560), (11960, 105059), (13556, 92690), (14260, 88114), (16120, 77947), (16945, 74152), (18538, 67780), (27112, 46345), (28520, 44057), (33890, 37076)]