261683760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83873}}^1$

素因数の和:83902

約数の個数: 80

約数和(自身を含む): 873631584

約数和(自身を除く): 611947824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 83873, 167746, 251619, 335492, 419365, 503238, 670984, 838730, 1006476, 1090349, 1258095, 1341968, 1677460, 2012952, 2180698, 2516190, 3271047, 3354920, 4025904, 4361396, 5032380, 5451745, 6542094, 6709840, 8722792, 10064760, 10903490, 13084188, 16355235, 17445584, 20129520, 21806980, 26168376, 32710470, 43613960, 52336752, 65420940, 87227920, 130841880, 261683760]

約数ペア:

[(1, 261683760), (2, 130841880), (3, 87227920), (4, 65420940), (5, 52336752), (6, 43613960), (8, 32710470), (10, 26168376), (12, 21806980), (13, 20129520), (15, 17445584), (16, 16355235), (20, 13084188), (24, 10903490), (26, 10064760), (30, 8722792), (39, 6709840), (40, 6542094), (48, 5451745), (52, 5032380), (60, 4361396), (65, 4025904), (78, 3354920), (80, 3271047), (104, 2516190), (120, 2180698), (130, 2012952), (156, 1677460), (195, 1341968), (208, 1258095), (240, 1090349), (260, 1006476), (312, 838730), (390, 670984), (520, 503238), (624, 419365), (780, 335492), (1040, 251619), (1560, 167746), (3120, 83873)]