80287480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 237867840

約数和(自身を除く): 157580360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 49, 52, 56, 65, 70, 91, 92, 98, 104, 115, 130, 137, 140, 161, 182, 184, 196, 230, 245, 260, 274, 280, 299, 322, 364, 392, 455, 460, 490, 520, 548, 598, 637, 644, 685, 728, 805, 910, 920, 959, 980, 1096, 1127, 1196, 1274, 1288, 1370, 1495, 1610, 1781, 1820, 1918, 1960, 2093, 2254, 2392, 2548, 2740, 2990, 3151, 3185, 3220, 3562, 3640, 3836, 4186, 4508, 4795, 5096, 5480, 5635, 5980, 6302, 6370, 6440, 6713, 7124, 7672, 8372, 8905, 9016, 9590, 10465, 11270, 11960, 12467, 12604, 12740, 13426, 14248, 14651, 15755, 16744, 17810, 19180, 20930, 22057, 22540, 24934, 25208, 25480, 26852, 29302, 31510, 33565, 35620, 38360, 40963, 41860, 44114, 45080, 49868, 53704, 58604, 62335, 63020, 67130, 71240, 73255, 81926, 83720, 87269, 88228, 99736, 110285, 117208, 124670, 126040, 134260, 146510, 154399, 163852, 174538, 176456, 204815, 220570, 249340, 268520, 286741, 293020, 308798, 327704, 349076, 409630, 436345, 441140, 498680, 573482, 586040, 617596, 698152, 771995, 819260, 872690, 882280, 1146964, 1235192, 1433705, 1543990, 1638520, 1745380, 2007187, 2293928, 2867410, 3087980, 3490760, 4014374, 5734820, 6175960, 8028748, 10035935, 11469640, 16057496, 20071870, 40143740, 80287480]

約数ペア:

[(1, 80287480), (2, 40143740), (4, 20071870), (5, 16057496), (7, 11469640), (8, 10035935), (10, 8028748), (13, 6175960), (14, 5734820), (20, 4014374), (23, 3490760), (26, 3087980), (28, 2867410), (35, 2293928), (40, 2007187), (46, 1745380), (49, 1638520), (52, 1543990), (56, 1433705), (65, 1235192), (70, 1146964), (91, 882280), (92, 872690), (98, 819260), (104, 771995), (115, 698152), (130, 617596), (137, 586040), (140, 573482), (161, 498680), (182, 441140), (184, 436345), (196, 409630), (230, 349076), (245, 327704), (260, 308798), (274, 293020), (280, 286741), (299, 268520), (322, 249340), (364, 220570), (392, 204815), (455, 176456), (460, 174538), (490, 163852), (520, 154399), (548, 146510), (598, 134260), (637, 126040), (644, 124670), (685, 117208), (728, 110285), (805, 99736), (910, 88228), (920, 87269), (959, 83720), (980, 81926), (1096, 73255), (1127, 71240), (1196, 67130), (1274, 63020), (1288, 62335), (1370, 58604), (1495, 53704), (1610, 49868), (1781, 45080), (1820, 44114), (1918, 41860), (1960, 40963), (2093, 38360), (2254, 35620), (2392, 33565), (2548, 31510), (2740, 29302), (2990, 26852), (3151, 25480), (3185, 25208), (3220, 24934), (3562, 22540), (3640, 22057), (3836, 20930), (4186, 19180), (4508, 17810), (4795, 16744), (5096, 15755), (5480, 14651), (5635, 14248), (5980, 13426), (6302, 12740), (6370, 12604), (6440, 12467), (6713, 11960), (7124, 11270), (7672, 10465), (8372, 9590), (8905, 9016)]