1281221568

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 252

約数和(自身を含む): 4173833664

約数和(自身を除く): 2892612096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 64, 66, 72, 88, 93, 96, 99, 121, 124, 132, 144, 176, 186, 192, 198, 242, 248, 264, 279, 288, 341, 352, 363, 372, 396, 484, 496, 528, 558, 576, 593, 682, 704, 726, 744, 792, 968, 992, 1023, 1056, 1089, 1116, 1186, 1364, 1452, 1488, 1584, 1779, 1936, 1984, 2046, 2112, 2178, 2232, 2372, 2728, 2904, 2976, 3069, 3168, 3558, 3751, 3872, 4092, 4356, 4464, 4744, 5337, 5456, 5808, 5952, 6138, 6336, 6523, 7116, 7502, 7744, 8184, 8712, 8928, 9488, 10674, 10912, 11253, 11616, 12276, 13046, 14232, 15004, 16368, 17424, 17856, 18383, 18976, 19569, 21348, 21824, 22506, 23232, 24552, 26092, 28464, 30008, 32736, 33759, 34848, 36766, 37952, 39138, 42696, 45012, 49104, 52184, 55149, 56928, 58707, 60016, 65472, 67518, 69696, 71753, 73532, 78276, 85392, 90024, 98208, 104368, 110298, 113856, 117414, 120032, 135036, 143506, 147064, 156552, 165447, 170784, 180048, 196416, 202213, 208736, 215259, 220596, 234828, 240064, 270072, 287012, 294128, 313104, 330894, 341568, 360096, 404426, 417472, 430518, 441192, 469656, 540144, 574024, 588256, 606639, 626208, 645777, 661788, 720192, 808852, 861036, 882384, 939312, 1080288, 1148048, 1176512, 1213278, 1252416, 1291554, 1323576, 1617704, 1722072, 1764768, 1819917, 1878624, 2160576, 2224343, 2296096, 2426556, 2583108, 2647152, 3235408, 3444144, 3529536, 3639834, 3757248, 4448686, 4592192, 4853112, 5166216, 5294304, 6470816, 6673029, 6888288, 7279668, 8897372, 9706224, 10332432, 10588608, 12941632, 13346058, 13776576, 14559336, 17794744, 19412448, 20019087, 20664864, 26692116, 29118672, 35589488, 38824896, 40038174, 41329728, 53384232, 58237344, 71178976, 80076348, 106768464, 116474688, 142357952, 160152696, 213536928, 320305392, 427073856, 640610784, 1281221568]

約数ペア:

[(1, 1281221568), (2, 640610784), (3, 427073856), (4, 320305392), (6, 213536928), (8, 160152696), (9, 142357952), (11, 116474688), (12, 106768464), (16, 80076348), (18, 71178976), (22, 58237344), (24, 53384232), (31, 41329728), (32, 40038174), (33, 38824896), (36, 35589488), (44, 29118672), (48, 26692116), (62, 20664864), (64, 20019087), (66, 19412448), (72, 17794744), (88, 14559336), (93, 13776576), (96, 13346058), (99, 12941632), (121, 10588608), (124, 10332432), (132, 9706224), (144, 8897372), (176, 7279668), (186, 6888288), (192, 6673029), (198, 6470816), (242, 5294304), (248, 5166216), (264, 4853112), (279, 4592192), (288, 4448686), (341, 3757248), (352, 3639834), (363, 3529536), (372, 3444144), (396, 3235408), (484, 2647152), (496, 2583108), (528, 2426556), (558, 2296096), (576, 2224343), (593, 2160576), (682, 1878624), (704, 1819917), (726, 1764768), (744, 1722072), (792, 1617704), (968, 1323576), (992, 1291554), (1023, 1252416), (1056, 1213278), (1089, 1176512), (1116, 1148048), (1186, 1080288), (1364, 939312), (1452, 882384), (1488, 861036), (1584, 808852), (1779, 720192), (1936, 661788), (1984, 645777), (2046, 626208), (2112, 606639), (2178, 588256), (2232, 574024), (2372, 540144), (2728, 469656), (2904, 441192), (2976, 430518), (3069, 417472), (3168, 404426), (3558, 360096), (3751, 341568), (3872, 330894), (4092, 313104), (4356, 294128), (4464, 287012), (4744, 270072), (5337, 240064), (5456, 234828), (5808, 220596), (5952, 215259), (6138, 208736), (6336, 202213), (6523, 196416), (7116, 180048), (7502, 170784), (7744, 165447), (8184, 156552), (8712, 147064), (8928, 143506), (9488, 135036), (10674, 120032), (10912, 117414), (11253, 113856), (11616, 110298), (12276, 104368), (13046, 98208), (14232, 90024), (15004, 85392), (16368, 78276), (17424, 73532), (17856, 71753), (18383, 69696), (18976, 67518), (19569, 65472), (21348, 60016), (21824, 58707), (22506, 56928), (23232, 55149), (24552, 52184), (26092, 49104), (28464, 45012), (30008, 42696), (32736, 39138), (33759, 37952), (34848, 36766)]