81009552

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 226860480

約数和(自身を除く): 145850928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 197, 208, 312, 394, 591, 624, 659, 788, 1182, 1318, 1576, 1977, 2364, 2561, 2636, 3152, 3954, 4728, 5122, 5272, 7683, 7908, 8567, 9456, 10244, 10544, 15366, 15816, 17134, 20488, 25701, 30732, 31632, 34268, 40976, 51402, 61464, 68536, 102804, 122928, 129823, 137072, 205608, 259646, 389469, 411216, 519292, 778938, 1038584, 1557876, 1687699, 2077168, 3115752, 3375398, 5063097, 6231504, 6750796, 10126194, 13501592, 20252388, 27003184, 40504776, 81009552]

約数ペア:

[(1, 81009552), (2, 40504776), (3, 27003184), (4, 20252388), (6, 13501592), (8, 10126194), (12, 6750796), (13, 6231504), (16, 5063097), (24, 3375398), (26, 3115752), (39, 2077168), (48, 1687699), (52, 1557876), (78, 1038584), (104, 778938), (156, 519292), (197, 411216), (208, 389469), (312, 259646), (394, 205608), (591, 137072), (624, 129823), (659, 122928), (788, 102804), (1182, 68536), (1318, 61464), (1576, 51402), (1977, 40976), (2364, 34268), (2561, 31632), (2636, 30732), (3152, 25701), (3954, 20488), (4728, 17134), (5122, 15816), (5272, 15366), (7683, 10544), (7908, 10244), (8567, 9456)]