261684144

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^3\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 120

約数和(自身を含む): 769169024

約数和(自身を除く): 507484880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 61, 62, 72, 93, 122, 124, 144, 183, 186, 244, 248, 279, 366, 372, 488, 496, 549, 558, 732, 744, 961, 976, 1098, 1116, 1464, 1488, 1891, 1922, 2196, 2232, 2883, 2928, 3782, 3844, 4392, 4464, 5673, 5766, 7564, 7688, 8649, 8784, 11346, 11532, 15128, 15376, 17019, 17298, 22692, 23064, 29791, 30256, 34038, 34596, 45384, 46128, 58621, 59582, 68076, 69192, 89373, 90768, 117242, 119164, 136152, 138384, 175863, 178746, 234484, 238328, 268119, 272304, 351726, 357492, 468968, 476656, 527589, 536238, 703452, 714984, 937936, 1055178, 1072476, 1406904, 1429968, 1817251, 2110356, 2144952, 2813808, 3634502, 4220712, 4289904, 5451753, 7269004, 8441424, 10903506, 14538008, 16355259, 21807012, 29076016, 32710518, 43614024, 65421036, 87228048, 130842072, 261684144]

約数ペア:

[(1, 261684144), (2, 130842072), (3, 87228048), (4, 65421036), (6, 43614024), (8, 32710518), (9, 29076016), (12, 21807012), (16, 16355259), (18, 14538008), (24, 10903506), (31, 8441424), (36, 7269004), (48, 5451753), (61, 4289904), (62, 4220712), (72, 3634502), (93, 2813808), (122, 2144952), (124, 2110356), (144, 1817251), (183, 1429968), (186, 1406904), (244, 1072476), (248, 1055178), (279, 937936), (366, 714984), (372, 703452), (488, 536238), (496, 527589), (549, 476656), (558, 468968), (732, 357492), (744, 351726), (961, 272304), (976, 268119), (1098, 238328), (1116, 234484), (1464, 178746), (1488, 175863), (1891, 138384), (1922, 136152), (2196, 119164), (2232, 117242), (2883, 90768), (2928, 89373), (3782, 69192), (3844, 68076), (4392, 59582), (4464, 58621), (5673, 46128), (5766, 45384), (7564, 34596), (7688, 34038), (8649, 30256), (8784, 29791), (11346, 23064), (11532, 22692), (15128, 17298), (15376, 17019)]