1989634560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 320

約数和(自身を含む): 6722141184

約数和(自身を除く): 4732506624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 64, 80, 93, 96, 120, 122, 124, 128, 137, 155, 160, 183, 186, 192, 240, 244, 248, 256, 274, 305, 310, 320, 366, 372, 384, 411, 465, 480, 488, 496, 512, 548, 610, 620, 640, 685, 732, 744, 768, 822, 915, 930, 960, 976, 992, 1096, 1220, 1240, 1280, 1370, 1464, 1488, 1536, 1644, 1830, 1860, 1891, 1920, 1952, 1984, 2055, 2192, 2440, 2480, 2560, 2740, 2928, 2976, 3288, 3660, 3720, 3782, 3840, 3904, 3968, 4110, 4247, 4384, 4880, 4960, 5480, 5673, 5856, 5952, 6576, 7320, 7440, 7564, 7680, 7808, 7936, 8220, 8357, 8494, 8768, 9455, 9760, 9920, 10960, 11346, 11712, 11904, 12741, 13152, 14640, 14880, 15128, 15616, 15872, 16440, 16714, 16988, 17536, 18910, 19520, 19840, 21235, 21920, 22692, 23424, 23808, 25071, 25482, 26304, 28365, 29280, 29760, 30256, 31232, 32880, 33428, 33976, 35072, 37820, 39040, 39680, 41785, 42470, 43840, 45384, 46848, 47616, 50142, 50964, 52608, 56730, 58560, 59520, 60512, 63705, 65760, 66856, 67952, 70144, 75640, 78080, 79360, 83570, 84940, 87680, 90768, 93696, 100284, 101928, 105216, 113460, 117120, 119040, 121024, 125355, 127410, 131520, 133712, 135904, 151280, 156160, 167140, 169880, 175360, 181536, 200568, 203856, 210432, 226920, 234240, 238080, 242048, 250710, 254820, 259067, 263040, 267424, 271808, 302560, 334280, 339760, 350720, 363072, 401136, 407712, 453840, 468480, 484096, 501420, 509640, 518134, 526080, 534848, 543616, 605120, 668560, 679520, 726144, 777201, 802272, 815424, 907680, 968192, 1002840, 1019280, 1036268, 1052160, 1069696, 1087232, 1210240, 1295335, 1337120, 1359040, 1452288, 1554402, 1604544, 1630848, 1815360, 2005680, 2038560, 2072536, 2139392, 2174464, 2420480, 2590670, 2674240, 2718080, 2904576, 3108804, 3209088, 3261696, 3630720, 3886005, 4011360, 4077120, 4145072, 4278784, 4840960, 5181340, 5348480, 5436160, 6217608, 6418176, 6523392, 7261440, 7772010, 8022720, 8154240, 8290144, 10362680, 10696960, 10872320, 12435216, 12836352, 14522880, 15544020, 16045440, 16308480, 16580288, 20725360, 21393920, 24870432, 31088040, 32090880, 32616960, 33160576, 41450720, 49740864, 62176080, 64181760, 66321152, 82901440, 99481728, 124352160, 132642304, 165802880, 198963456, 248704320, 331605760, 397926912, 497408640, 663211520, 994817280, 1989634560]

約数ペア:

[(1, 1989634560), (2, 994817280), (3, 663211520), (4, 497408640), (5, 397926912), (6, 331605760), (8, 248704320), (10, 198963456), (12, 165802880), (15, 132642304), (16, 124352160), (20, 99481728), (24, 82901440), (30, 66321152), (31, 64181760), (32, 62176080), (40, 49740864), (48, 41450720), (60, 33160576), (61, 32616960), (62, 32090880), (64, 31088040), (80, 24870432), (93, 21393920), (96, 20725360), (120, 16580288), (122, 16308480), (124, 16045440), (128, 15544020), (137, 14522880), (155, 12836352), (160, 12435216), (183, 10872320), (186, 10696960), (192, 10362680), (240, 8290144), (244, 8154240), (248, 8022720), (256, 7772010), (274, 7261440), (305, 6523392), (310, 6418176), (320, 6217608), (366, 5436160), (372, 5348480), (384, 5181340), (411, 4840960), (465, 4278784), (480, 4145072), (488, 4077120), (496, 4011360), (512, 3886005), (548, 3630720), (610, 3261696), (620, 3209088), (640, 3108804), (685, 2904576), (732, 2718080), (744, 2674240), (768, 2590670), (822, 2420480), (915, 2174464), (930, 2139392), (960, 2072536), (976, 2038560), (992, 2005680), (1096, 1815360), (1220, 1630848), (1240, 1604544), (1280, 1554402), (1370, 1452288), (1464, 1359040), (1488, 1337120), (1536, 1295335), (1644, 1210240), (1830, 1087232), (1860, 1069696), (1891, 1052160), (1920, 1036268), (1952, 1019280), (1984, 1002840), (2055, 968192), (2192, 907680), (2440, 815424), (2480, 802272), (2560, 777201), (2740, 726144), (2928, 679520), (2976, 668560), (3288, 605120), (3660, 543616), (3720, 534848), (3782, 526080), (3840, 518134), (3904, 509640), (3968, 501420), (4110, 484096), (4247, 468480), (4384, 453840), (4880, 407712), (4960, 401136), (5480, 363072), (5673, 350720), (5856, 339760), (5952, 334280), (6576, 302560), (7320, 271808), (7440, 267424), (7564, 263040), (7680, 259067), (7808, 254820), (7936, 250710), (8220, 242048), (8357, 238080), (8494, 234240), (8768, 226920), (9455, 210432), (9760, 203856), (9920, 200568), (10960, 181536), (11346, 175360), (11712, 169880), (11904, 167140), (12741, 156160), (13152, 151280), (14640, 135904), (14880, 133712), (15128, 131520), (15616, 127410), (15872, 125355), (16440, 121024), (16714, 119040), (16988, 117120), (17536, 113460), (18910, 105216), (19520, 101928), (19840, 100284), (21235, 93696), (21920, 90768), (22692, 87680), (23424, 84940), (23808, 83570), (25071, 79360), (25482, 78080), (26304, 75640), (28365, 70144), (29280, 67952), (29760, 66856), (30256, 65760), (31232, 63705), (32880, 60512), (33428, 59520), (33976, 58560), (35072, 56730), (37820, 52608), (39040, 50964), (39680, 50142), (41785, 47616), (42470, 46848), (43840, 45384)]