1261557648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21797

約数の個数: 120

約数和(自身を含む): 3925026560

約数和(自身を除く): 2663468912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1488, 1612, 1872, 2232, 2418, 3224, 3627, 4464, 4836, 6448, 7254, 9672, 14508, 19344, 21739, 29016, 43478, 58032, 65217, 86956, 130434, 173912, 195651, 260868, 282607, 347824, 391302, 521736, 565214, 673909, 782604, 847821, 1043472, 1130428, 1347818, 1565208, 1695642, 2021727, 2260856, 2543463, 2695636, 3130416, 3391284, 4043454, 4521712, 5086926, 5391272, 6065181, 6782568, 8086908, 8760817, 10173852, 10782544, 12130362, 13565136, 16173816, 17521634, 20347704, 24260724, 26282451, 32347632, 35043268, 40695408, 48521448, 52564902, 70086536, 78847353, 97042896, 105129804, 140173072, 157694706, 210259608, 315389412, 420519216, 630778824, 1261557648]

約数ペア:

[(1, 1261557648), (2, 630778824), (3, 420519216), (4, 315389412), (6, 210259608), (8, 157694706), (9, 140173072), (12, 105129804), (13, 97042896), (16, 78847353), (18, 70086536), (24, 52564902), (26, 48521448), (31, 40695408), (36, 35043268), (39, 32347632), (48, 26282451), (52, 24260724), (62, 20347704), (72, 17521634), (78, 16173816), (93, 13565136), (104, 12130362), (117, 10782544), (124, 10173852), (144, 8760817), (156, 8086908), (186, 6782568), (208, 6065181), (234, 5391272), (248, 5086926), (279, 4521712), (312, 4043454), (372, 3391284), (403, 3130416), (468, 2695636), (496, 2543463), (558, 2260856), (624, 2021727), (744, 1695642), (806, 1565208), (936, 1347818), (1116, 1130428), (1209, 1043472), (1488, 847821), (1612, 782604), (1872, 673909), (2232, 565214), (2418, 521736), (3224, 391302), (3627, 347824), (4464, 282607), (4836, 260868), (6448, 195651), (7254, 173912), (9672, 130434), (14508, 86956), (19344, 65217), (21739, 58032), (29016, 43478)]