7961721680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{13729}}^1$

素因数の和:14412

約数の個数: 80

約数和(自身を含む): 20225937600

約数和(自身を除く): 12264215920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 659, 880, 1318, 2636, 3295, 5272, 6590, 7249, 10544, 13180, 13729, 14498, 26360, 27458, 28996, 36245, 52720, 54916, 57992, 68645, 72490, 109832, 115984, 137290, 144980, 151019, 219664, 274580, 289960, 302038, 549160, 579920, 604076, 755095, 1098320, 1208152, 1510190, 2416304, 3020380, 6040760, 9047411, 12081520, 18094822, 36189644, 45237055, 72379288, 90474110, 99521521, 144758576, 180948220, 199043042, 361896440, 398086084, 497607605, 723792880, 796172168, 995215210, 1592344336, 1990430420, 3980860840, 7961721680]

約数ペア:

[(1, 7961721680), (2, 3980860840), (4, 1990430420), (5, 1592344336), (8, 995215210), (10, 796172168), (11, 723792880), (16, 497607605), (20, 398086084), (22, 361896440), (40, 199043042), (44, 180948220), (55, 144758576), (80, 99521521), (88, 90474110), (110, 72379288), (176, 45237055), (220, 36189644), (440, 18094822), (659, 12081520), (880, 9047411), (1318, 6040760), (2636, 3020380), (3295, 2416304), (5272, 1510190), (6590, 1208152), (7249, 1098320), (10544, 755095), (13180, 604076), (13729, 579920), (14498, 549160), (26360, 302038), (27458, 289960), (28996, 274580), (36245, 219664), (52720, 151019), (54916, 144980), (57992, 137290), (68645, 115984), (72490, 109832)]