128666160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 240

約数和(自身を含む): 504878400

約数和(自身を除く): 376212240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 521, 560, 588, 630, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1042, 1176, 1260, 1372, 1470, 1563, 1680, 1715, 1764, 1960, 2058, 2084, 2205, 2352, 2520, 2605, 2744, 2940, 3087, 3126, 3430, 3528, 3647, 3920, 4116, 4168, 4410, 4689, 5040, 5145, 5210, 5488, 5880, 6174, 6252, 6860, 7056, 7294, 7815, 8232, 8336, 8820, 9378, 10290, 10420, 10941, 11760, 12348, 12504, 13720, 14588, 15435, 15630, 16464, 17640, 18235, 18756, 20580, 20840, 21882, 23445, 24696, 25008, 25529, 27440, 29176, 30870, 31260, 32823, 35280, 36470, 37512, 41160, 41680, 43764, 46890, 49392, 51058, 54705, 58352, 61740, 62520, 65646, 72940, 75024, 76587, 82320, 87528, 93780, 102116, 109410, 123480, 125040, 127645, 131292, 145880, 153174, 164115, 175056, 178703, 187560, 204232, 218820, 229761, 246960, 255290, 262584, 291760, 306348, 328230, 357406, 375120, 382935, 408464, 437640, 459522, 510580, 525168, 536109, 612696, 656460, 714812, 765870, 875280, 893515, 919044, 1021160, 1072218, 1148805, 1225392, 1312920, 1429624, 1531740, 1608327, 1787030, 1838088, 2042320, 2144436, 2297610, 2625840, 2680545, 2859248, 3063480, 3216654, 3574060, 3676176, 4288872, 4595220, 5361090, 6126960, 6433308, 7148120, 8041635, 8577744, 9190440, 10722180, 12866616, 14296240, 16083270, 18380880, 21444360, 25733232, 32166540, 42888720, 64333080, 128666160]

約数ペア:

[(1, 128666160), (2, 64333080), (3, 42888720), (4, 32166540), (5, 25733232), (6, 21444360), (7, 18380880), (8, 16083270), (9, 14296240), (10, 12866616), (12, 10722180), (14, 9190440), (15, 8577744), (16, 8041635), (18, 7148120), (20, 6433308), (21, 6126960), (24, 5361090), (28, 4595220), (30, 4288872), (35, 3676176), (36, 3574060), (40, 3216654), (42, 3063480), (45, 2859248), (48, 2680545), (49, 2625840), (56, 2297610), (60, 2144436), (63, 2042320), (70, 1838088), (72, 1787030), (80, 1608327), (84, 1531740), (90, 1429624), (98, 1312920), (105, 1225392), (112, 1148805), (120, 1072218), (126, 1021160), (140, 919044), (144, 893515), (147, 875280), (168, 765870), (180, 714812), (196, 656460), (210, 612696), (240, 536109), (245, 525168), (252, 510580), (280, 459522), (294, 437640), (315, 408464), (336, 382935), (343, 375120), (360, 357406), (392, 328230), (420, 306348), (441, 291760), (490, 262584), (504, 255290), (521, 246960), (560, 229761), (588, 218820), (630, 204232), (686, 187560), (720, 178703), (735, 175056), (784, 164115), (840, 153174), (882, 145880), (980, 131292), (1008, 127645), (1029, 125040), (1042, 123480), (1176, 109410), (1260, 102116), (1372, 93780), (1470, 87528), (1563, 82320), (1680, 76587), (1715, 75024), (1764, 72940), (1960, 65646), (2058, 62520), (2084, 61740), (2205, 58352), (2352, 54705), (2520, 51058), (2605, 49392), (2744, 46890), (2940, 43764), (3087, 41680), (3126, 41160), (3430, 37512), (3528, 36470), (3647, 35280), (3920, 32823), (4116, 31260), (4168, 30870), (4410, 29176), (4689, 27440), (5040, 25529), (5145, 25008), (5210, 24696), (5488, 23445), (5880, 21882), (6174, 20840), (6252, 20580), (6860, 18756), (7056, 18235), (7294, 17640), (7815, 16464), (8232, 15630), (8336, 15435), (8820, 14588), (9378, 13720), (10290, 12504), (10420, 12348), (10941, 11760)]