2556785660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 6455896608

約数和(自身を除く): 3899110948

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 121, 130, 134, 143, 220, 242, 260, 268, 286, 335, 484, 572, 605, 670, 715, 737, 871, 1210, 1213, 1340, 1430, 1474, 1573, 1742, 2420, 2426, 2860, 2948, 3146, 3484, 3685, 4355, 4852, 6065, 6292, 7370, 7865, 8107, 8710, 9581, 12130, 13343, 14740, 15730, 15769, 16214, 17420, 19162, 24260, 26686, 31460, 31538, 32428, 38324, 40535, 47905, 53372, 63076, 66715, 78845, 81070, 81271, 95810, 105391, 133430, 146773, 157690, 162140, 162542, 173459, 191620, 210782, 266860, 293546, 315380, 325084, 346918, 406355, 421564, 526955, 587092, 693836, 733865, 812710, 867295, 893981, 1053910, 1056523, 1467730, 1625420, 1734590, 1787962, 1908049, 2107820, 2113046, 2935460, 3469180, 3575924, 3816098, 4226092, 4469905, 5282615, 7632196, 8939810, 9540245, 9833791, 10565230, 11621753, 17879620, 19080490, 19667582, 21130460, 23243506, 38160980, 39335164, 46487012, 49168955, 58108765, 98337910, 116217530, 127839283, 196675820, 232435060, 255678566, 511357132, 639196415, 1278392830, 2556785660]

約数ペア:

[(1, 2556785660), (2, 1278392830), (4, 639196415), (5, 511357132), (10, 255678566), (11, 232435060), (13, 196675820), (20, 127839283), (22, 116217530), (26, 98337910), (44, 58108765), (52, 49168955), (55, 46487012), (65, 39335164), (67, 38160980), (110, 23243506), (121, 21130460), (130, 19667582), (134, 19080490), (143, 17879620), (220, 11621753), (242, 10565230), (260, 9833791), (268, 9540245), (286, 8939810), (335, 7632196), (484, 5282615), (572, 4469905), (605, 4226092), (670, 3816098), (715, 3575924), (737, 3469180), (871, 2935460), (1210, 2113046), (1213, 2107820), (1340, 1908049), (1430, 1787962), (1474, 1734590), (1573, 1625420), (1742, 1467730), (2420, 1056523), (2426, 1053910), (2860, 893981), (2948, 867295), (3146, 812710), (3484, 733865), (3685, 693836), (4355, 587092), (4852, 526955), (6065, 421564), (6292, 406355), (7370, 346918), (7865, 325084), (8107, 315380), (8710, 293546), (9581, 266860), (12130, 210782), (13343, 191620), (14740, 173459), (15730, 162542), (15769, 162140), (16214, 157690), (17420, 146773), (19162, 133430), (24260, 105391), (26686, 95810), (31460, 81271), (31538, 81070), (32428, 78845), (38324, 66715), (40535, 63076), (47905, 53372)]