128707040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 392491008

約数和(自身を除く): 263783968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 337, 341, 352, 385, 434, 440, 496, 560, 616, 620, 674, 682, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1348, 1364, 1540, 1685, 1705, 1736, 1760, 2170, 2359, 2387, 2464, 2480, 2696, 2728, 3080, 3370, 3410, 3472, 3707, 4340, 4718, 4774, 4960, 5392, 5456, 6160, 6740, 6820, 6944, 7414, 8680, 9436, 9548, 10447, 10784, 10912, 11795, 11935, 12320, 13480, 13640, 14828, 17360, 18535, 18872, 19096, 20894, 23590, 23870, 25949, 26960, 27280, 29656, 34720, 37070, 37744, 38192, 41788, 47180, 47740, 51898, 52235, 53920, 54560, 59312, 73129, 74140, 75488, 76384, 83576, 94360, 95480, 103796, 104470, 114917, 118624, 129745, 146258, 148280, 167152, 188720, 190960, 207592, 208940, 229834, 259490, 292516, 296560, 334304, 365645, 377440, 381920, 415184, 417880, 459668, 518980, 574585, 585032, 593120, 731290, 804419, 830368, 835760, 919336, 1037960, 1149170, 1170064, 1462580, 1608838, 1671520, 1838672, 2075920, 2298340, 2340128, 2925160, 3217676, 3677344, 4022095, 4151840, 4596680, 5850320, 6435352, 8044190, 9193360, 11700640, 12870704, 16088380, 18386720, 25741408, 32176760, 64353520, 128707040]

約数ペア:

[(1, 128707040), (2, 64353520), (4, 32176760), (5, 25741408), (7, 18386720), (8, 16088380), (10, 12870704), (11, 11700640), (14, 9193360), (16, 8044190), (20, 6435352), (22, 5850320), (28, 4596680), (31, 4151840), (32, 4022095), (35, 3677344), (40, 3217676), (44, 2925160), (55, 2340128), (56, 2298340), (62, 2075920), (70, 1838672), (77, 1671520), (80, 1608838), (88, 1462580), (110, 1170064), (112, 1149170), (124, 1037960), (140, 919336), (154, 835760), (155, 830368), (160, 804419), (176, 731290), (217, 593120), (220, 585032), (224, 574585), (248, 518980), (280, 459668), (308, 417880), (310, 415184), (337, 381920), (341, 377440), (352, 365645), (385, 334304), (434, 296560), (440, 292516), (496, 259490), (560, 229834), (616, 208940), (620, 207592), (674, 190960), (682, 188720), (770, 167152), (868, 148280), (880, 146258), (992, 129745), (1085, 118624), (1120, 114917), (1232, 104470), (1240, 103796), (1348, 95480), (1364, 94360), (1540, 83576), (1685, 76384), (1705, 75488), (1736, 74140), (1760, 73129), (2170, 59312), (2359, 54560), (2387, 53920), (2464, 52235), (2480, 51898), (2696, 47740), (2728, 47180), (3080, 41788), (3370, 38192), (3410, 37744), (3472, 37070), (3707, 34720), (4340, 29656), (4718, 27280), (4774, 26960), (4960, 25949), (5392, 23870), (5456, 23590), (6160, 20894), (6740, 19096), (6820, 18872), (6944, 18535), (7414, 17360), (8680, 14828), (9436, 13640), (9548, 13480), (10447, 12320), (10784, 11935), (10912, 11795)]