161221440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5791}}^1$

素因数の和:5840

約数の個数: 112

約数和(自身を含む): 529620480

約数和(自身を除く): 368399040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 5791, 6960, 9280, 11582, 13920, 17373, 23164, 27840, 28955, 34746, 46328, 57910, 69492, 86865, 92656, 115820, 138984, 167939, 173730, 185312, 231640, 277968, 335878, 347460, 370624, 463280, 503817, 555936, 671756, 694920, 839695, 926560, 1007634, 1111872, 1343512, 1389840, 1679390, 1853120, 2015268, 2519085, 2687024, 2779680, 3358780, 4030536, 5038170, 5374048, 5559360, 6717560, 8061072, 10076340, 10748096, 13435120, 16122144, 20152680, 26870240, 32244288, 40305360, 53740480, 80610720, 161221440]

約数ペア:

[(1, 161221440), (2, 80610720), (3, 53740480), (4, 40305360), (5, 32244288), (6, 26870240), (8, 20152680), (10, 16122144), (12, 13435120), (15, 10748096), (16, 10076340), (20, 8061072), (24, 6717560), (29, 5559360), (30, 5374048), (32, 5038170), (40, 4030536), (48, 3358780), (58, 2779680), (60, 2687024), (64, 2519085), (80, 2015268), (87, 1853120), (96, 1679390), (116, 1389840), (120, 1343512), (145, 1111872), (160, 1007634), (174, 926560), (192, 839695), (232, 694920), (240, 671756), (290, 555936), (320, 503817), (348, 463280), (435, 370624), (464, 347460), (480, 335878), (580, 277968), (696, 231640), (870, 185312), (928, 173730), (960, 167939), (1160, 138984), (1392, 115820), (1740, 92656), (1856, 86865), (2320, 69492), (2784, 57910), (3480, 46328), (4640, 34746), (5568, 28955), (5791, 27840), (6960, 23164), (9280, 17373), (11582, 13920)]