1996920800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11503}}^1$

素因数の和:11561

約数の個数: 144

約数和(自身を含む): 5751631872

約数和(自身を除く): 3754711072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 3100, 3472, 4340, 4960, 5425, 5600, 6200, 6944, 8680, 10850, 11503, 12400, 17360, 21700, 23006, 24800, 34720, 43400, 46012, 57515, 80521, 86800, 92024, 115030, 161042, 173600, 184048, 230060, 287575, 322084, 356593, 368096, 402605, 460120, 575150, 644168, 713186, 805210, 920240, 1150300, 1288336, 1426372, 1610420, 1782965, 1840480, 2013025, 2300600, 2496151, 2576672, 2852744, 3220840, 3565930, 4026050, 4601200, 4992302, 5705488, 6441680, 7131860, 8052100, 8914825, 9202400, 9984604, 11410976, 12480755, 12883360, 14263720, 16104200, 17829650, 19969208, 24961510, 28527440, 32208400, 35659300, 39938416, 49923020, 57054880, 62403775, 64416800, 71318600, 79876832, 99846040, 124807550, 142637200, 199692080, 249615100, 285274400, 399384160, 499230200, 998460400, 1996920800]

約数ペア:

[(1, 1996920800), (2, 998460400), (4, 499230200), (5, 399384160), (7, 285274400), (8, 249615100), (10, 199692080), (14, 142637200), (16, 124807550), (20, 99846040), (25, 79876832), (28, 71318600), (31, 64416800), (32, 62403775), (35, 57054880), (40, 49923020), (50, 39938416), (56, 35659300), (62, 32208400), (70, 28527440), (80, 24961510), (100, 19969208), (112, 17829650), (124, 16104200), (140, 14263720), (155, 12883360), (160, 12480755), (175, 11410976), (200, 9984604), (217, 9202400), (224, 8914825), (248, 8052100), (280, 7131860), (310, 6441680), (350, 5705488), (400, 4992302), (434, 4601200), (496, 4026050), (560, 3565930), (620, 3220840), (700, 2852744), (775, 2576672), (800, 2496151), (868, 2300600), (992, 2013025), (1085, 1840480), (1120, 1782965), (1240, 1610420), (1400, 1426372), (1550, 1288336), (1736, 1150300), (2170, 920240), (2480, 805210), (2800, 713186), (3100, 644168), (3472, 575150), (4340, 460120), (4960, 402605), (5425, 368096), (5600, 356593), (6200, 322084), (6944, 287575), (8680, 230060), (10850, 184048), (11503, 173600), (12400, 161042), (17360, 115030), (21700, 92024), (23006, 86800), (24800, 80521), (34720, 57515), (43400, 46012)]