81690384

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 217432512

約数和(自身を除く): 135742128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 163, 197, 212, 318, 326, 394, 424, 489, 591, 636, 652, 788, 848, 978, 1182, 1272, 1304, 1576, 1956, 2364, 2544, 2608, 3152, 3912, 4728, 7824, 8639, 9456, 10441, 17278, 20882, 25917, 31323, 32111, 34556, 41764, 51834, 62646, 64222, 69112, 83528, 96333, 103668, 125292, 128444, 138224, 167056, 192666, 207336, 250584, 256888, 385332, 414672, 501168, 513776, 770664, 1541328, 1701883, 3403766, 5105649, 6807532, 10211298, 13615064, 20422596, 27230128, 40845192, 81690384]

約数ペア:

[(1, 81690384), (2, 40845192), (3, 27230128), (4, 20422596), (6, 13615064), (8, 10211298), (12, 6807532), (16, 5105649), (24, 3403766), (48, 1701883), (53, 1541328), (106, 770664), (159, 513776), (163, 501168), (197, 414672), (212, 385332), (318, 256888), (326, 250584), (394, 207336), (424, 192666), (489, 167056), (591, 138224), (636, 128444), (652, 125292), (788, 103668), (848, 96333), (978, 83528), (1182, 69112), (1272, 64222), (1304, 62646), (1576, 51834), (1956, 41764), (2364, 34556), (2544, 32111), (2608, 31323), (3152, 25917), (3912, 20882), (4728, 17278), (7824, 10441), (8639, 9456)]