80494920800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{388489}}^1$

素因数の和:388553

約数の個数: 144

約数和(自身を含む): 230651174880

約数和(自身を除く): 150156254080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 160, 175, 185, 200, 224, 259, 280, 296, 350, 370, 400, 518, 560, 592, 700, 740, 800, 925, 1036, 1120, 1184, 1295, 1400, 1480, 1850, 2072, 2590, 2800, 2960, 3700, 4144, 5180, 5600, 5920, 6475, 7400, 8288, 10360, 12950, 14800, 20720, 25900, 29600, 41440, 51800, 103600, 207200, 388489, 776978, 1553956, 1942445, 2719423, 3107912, 3884890, 5438846, 6215824, 7769780, 9712225, 10877692, 12431648, 13597115, 14374093, 15539560, 19424450, 21755384, 27194230, 28748186, 31079120, 38848900, 43510768, 54388460, 57496372, 62158240, 67985575, 71870465, 77697800, 87021536, 100618651, 108776920, 114992744, 135971150, 143740930, 155395600, 201237302, 217553840, 229985488, 271942300, 287481860, 310791200, 359352325, 402474604, 435107680, 459970976, 503093255, 543884600, 574963720, 718704650, 804949208, 1006186510, 1087769200, 1149927440, 1437409300, 1609898416, 2012373020, 2175538400, 2299854880, 2515466275, 2874818600, 3219796832, 4024746040, 5030932550, 5749637200, 8049492080, 10061865100, 11499274400, 16098984160, 20123730200, 40247460400, 80494920800]

約数ペア:

[(1, 80494920800), (2, 40247460400), (4, 20123730200), (5, 16098984160), (7, 11499274400), (8, 10061865100), (10, 8049492080), (14, 5749637200), (16, 5030932550), (20, 4024746040), (25, 3219796832), (28, 2874818600), (32, 2515466275), (35, 2299854880), (37, 2175538400), (40, 2012373020), (50, 1609898416), (56, 1437409300), (70, 1149927440), (74, 1087769200), (80, 1006186510), (100, 804949208), (112, 718704650), (140, 574963720), (148, 543884600), (160, 503093255), (175, 459970976), (185, 435107680), (200, 402474604), (224, 359352325), (259, 310791200), (280, 287481860), (296, 271942300), (350, 229985488), (370, 217553840), (400, 201237302), (518, 155395600), (560, 143740930), (592, 135971150), (700, 114992744), (740, 108776920), (800, 100618651), (925, 87021536), (1036, 77697800), (1120, 71870465), (1184, 67985575), (1295, 62158240), (1400, 57496372), (1480, 54388460), (1850, 43510768), (2072, 38848900), (2590, 31079120), (2800, 28748186), (2960, 27194230), (3700, 21755384), (4144, 19424450), (5180, 15539560), (5600, 14374093), (5920, 13597115), (6475, 12431648), (7400, 10877692), (8288, 9712225), (10360, 7769780), (12950, 6215824), (14800, 5438846), (20720, 3884890), (25900, 3107912), (29600, 2719423), (41440, 1942445), (51800, 1553956), (103600, 776978), (207200, 388489)]