155855280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 240

約数和(自身を含む): 582685920

約数和(自身を除く): 426830640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 240, 245, 280, 290, 294, 336, 348, 392, 406, 420, 435, 457, 464, 490, 560, 580, 588, 609, 696, 735, 784, 812, 840, 870, 914, 980, 1015, 1160, 1176, 1218, 1371, 1392, 1421, 1470, 1624, 1680, 1740, 1828, 1960, 2030, 2285, 2320, 2352, 2436, 2742, 2842, 2940, 3045, 3199, 3248, 3480, 3656, 3920, 4060, 4263, 4570, 4872, 5484, 5684, 5880, 6090, 6398, 6855, 6960, 7105, 7312, 8120, 8526, 9140, 9597, 9744, 10968, 11368, 11760, 12180, 12796, 13253, 13710, 14210, 15995, 16240, 17052, 18280, 19194, 21315, 21936, 22393, 22736, 24360, 25592, 26506, 27420, 28420, 31990, 34104, 36560, 38388, 39759, 42630, 44786, 47985, 48720, 51184, 53012, 54840, 56840, 63980, 66265, 67179, 68208, 76776, 79518, 85260, 89572, 92771, 95970, 106024, 109680, 111965, 113680, 127960, 132530, 134358, 153552, 159036, 170520, 179144, 185542, 191940, 198795, 212048, 223930, 255920, 265060, 268716, 278313, 318072, 335895, 341040, 358288, 371084, 383880, 397590, 447860, 463855, 530120, 537432, 556626, 636144, 649397, 671790, 742168, 767760, 795180, 895720, 927710, 1060240, 1074864, 1113252, 1298794, 1343580, 1391565, 1484336, 1590360, 1791440, 1855420, 1948191, 2226504, 2597588, 2687160, 2783130, 3180720, 3246985, 3710840, 3896382, 4453008, 5195176, 5374320, 5566260, 6493970, 7421680, 7792764, 9740955, 10390352, 11132520, 12987940, 15585528, 19481910, 22265040, 25975880, 31171056, 38963820, 51951760, 77927640, 155855280]

約数ペア:

[(1, 155855280), (2, 77927640), (3, 51951760), (4, 38963820), (5, 31171056), (6, 25975880), (7, 22265040), (8, 19481910), (10, 15585528), (12, 12987940), (14, 11132520), (15, 10390352), (16, 9740955), (20, 7792764), (21, 7421680), (24, 6493970), (28, 5566260), (29, 5374320), (30, 5195176), (35, 4453008), (40, 3896382), (42, 3710840), (48, 3246985), (49, 3180720), (56, 2783130), (58, 2687160), (60, 2597588), (70, 2226504), (80, 1948191), (84, 1855420), (87, 1791440), (98, 1590360), (105, 1484336), (112, 1391565), (116, 1343580), (120, 1298794), (140, 1113252), (145, 1074864), (147, 1060240), (168, 927710), (174, 895720), (196, 795180), (203, 767760), (210, 742168), (232, 671790), (240, 649397), (245, 636144), (280, 556626), (290, 537432), (294, 530120), (336, 463855), (348, 447860), (392, 397590), (406, 383880), (420, 371084), (435, 358288), (457, 341040), (464, 335895), (490, 318072), (560, 278313), (580, 268716), (588, 265060), (609, 255920), (696, 223930), (735, 212048), (784, 198795), (812, 191940), (840, 185542), (870, 179144), (914, 170520), (980, 159036), (1015, 153552), (1160, 134358), (1176, 132530), (1218, 127960), (1371, 113680), (1392, 111965), (1421, 109680), (1470, 106024), (1624, 95970), (1680, 92771), (1740, 89572), (1828, 85260), (1960, 79518), (2030, 76776), (2285, 68208), (2320, 67179), (2352, 66265), (2436, 63980), (2742, 56840), (2842, 54840), (2940, 53012), (3045, 51184), (3199, 48720), (3248, 47985), (3480, 44786), (3656, 42630), (3920, 39759), (4060, 38388), (4263, 36560), (4570, 34104), (4872, 31990), (5484, 28420), (5684, 27420), (5880, 26506), (6090, 25592), (6398, 24360), (6855, 22736), (6960, 22393), (7105, 21936), (7312, 21315), (8120, 19194), (8526, 18280), (9140, 17052), (9597, 16240), (9744, 15995), (10968, 14210), (11368, 13710), (11760, 13253), (12180, 12796)]