1820501280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 288

約数和(自身を含む): 6780533760

約数和(自身を除く): 4960032480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 96, 104, 117, 120, 130, 144, 156, 158, 160, 180, 195, 208, 234, 237, 240, 260, 288, 312, 316, 360, 390, 395, 416, 468, 474, 480, 520, 585, 624, 632, 711, 720, 780, 790, 936, 948, 1027, 1040, 1170, 1185, 1231, 1248, 1264, 1422, 1440, 1560, 1580, 1872, 1896, 2054, 2080, 2340, 2370, 2462, 2528, 2844, 3081, 3120, 3160, 3555, 3693, 3744, 3792, 4108, 4680, 4740, 4924, 5135, 5688, 6155, 6162, 6240, 6320, 7110, 7386, 7584, 8216, 9243, 9360, 9480, 9848, 10270, 11079, 11376, 12310, 12324, 12640, 14220, 14772, 15405, 16003, 16432, 18465, 18486, 18720, 18960, 19696, 20540, 22158, 22752, 24620, 24648, 28440, 29544, 30810, 32006, 32864, 36930, 36972, 37920, 39392, 41080, 44316, 46215, 48009, 49240, 49296, 55395, 56880, 59088, 61620, 64012, 73860, 73944, 80015, 82160, 88632, 92430, 96018, 97249, 98480, 98592, 110790, 113760, 118176, 123240, 128024, 144027, 147720, 147888, 160030, 164320, 177264, 184860, 192036, 194498, 196960, 221580, 240045, 246480, 256048, 288054, 291747, 295440, 295776, 320060, 354528, 369720, 384072, 388996, 443160, 480090, 486245, 492960, 512096, 576108, 583494, 590880, 640120, 720135, 739440, 768144, 777992, 875241, 886320, 960180, 972490, 1152216, 1166988, 1264237, 1280240, 1440270, 1458735, 1478880, 1536288, 1555984, 1750482, 1772640, 1920360, 1944980, 2304432, 2333976, 2528474, 2560480, 2880540, 2917470, 3111968, 3500964, 3792711, 3840720, 3889960, 4376205, 4608864, 4667952, 5056948, 5761080, 5834940, 6321185, 7001928, 7585422, 7681440, 7779920, 8752410, 9335904, 10113896, 11378133, 11522160, 11669880, 12642370, 14003856, 15170844, 15559840, 17504820, 18963555, 20227792, 22756266, 23044320, 23339760, 25284740, 28007712, 30341688, 35009640, 37927110, 40455584, 45512532, 46679520, 50569480, 56890665, 60683376, 70019280, 75854220, 91025064, 101138960, 113781330, 121366752, 140038560, 151708440, 182050128, 202277920, 227562660, 303416880, 364100256, 455125320, 606833760, 910250640, 1820501280]

約数ペア:

[(1, 1820501280), (2, 910250640), (3, 606833760), (4, 455125320), (5, 364100256), (6, 303416880), (8, 227562660), (9, 202277920), (10, 182050128), (12, 151708440), (13, 140038560), (15, 121366752), (16, 113781330), (18, 101138960), (20, 91025064), (24, 75854220), (26, 70019280), (30, 60683376), (32, 56890665), (36, 50569480), (39, 46679520), (40, 45512532), (45, 40455584), (48, 37927110), (52, 35009640), (60, 30341688), (65, 28007712), (72, 25284740), (78, 23339760), (79, 23044320), (80, 22756266), (90, 20227792), (96, 18963555), (104, 17504820), (117, 15559840), (120, 15170844), (130, 14003856), (144, 12642370), (156, 11669880), (158, 11522160), (160, 11378133), (180, 10113896), (195, 9335904), (208, 8752410), (234, 7779920), (237, 7681440), (240, 7585422), (260, 7001928), (288, 6321185), (312, 5834940), (316, 5761080), (360, 5056948), (390, 4667952), (395, 4608864), (416, 4376205), (468, 3889960), (474, 3840720), (480, 3792711), (520, 3500964), (585, 3111968), (624, 2917470), (632, 2880540), (711, 2560480), (720, 2528474), (780, 2333976), (790, 2304432), (936, 1944980), (948, 1920360), (1027, 1772640), (1040, 1750482), (1170, 1555984), (1185, 1536288), (1231, 1478880), (1248, 1458735), (1264, 1440270), (1422, 1280240), (1440, 1264237), (1560, 1166988), (1580, 1152216), (1872, 972490), (1896, 960180), (2054, 886320), (2080, 875241), (2340, 777992), (2370, 768144), (2462, 739440), (2528, 720135), (2844, 640120), (3081, 590880), (3120, 583494), (3160, 576108), (3555, 512096), (3693, 492960), (3744, 486245), (3792, 480090), (4108, 443160), (4680, 388996), (4740, 384072), (4924, 369720), (5135, 354528), (5688, 320060), (6155, 295776), (6162, 295440), (6240, 291747), (6320, 288054), (7110, 256048), (7386, 246480), (7584, 240045), (8216, 221580), (9243, 196960), (9360, 194498), (9480, 192036), (9848, 184860), (10270, 177264), (11079, 164320), (11376, 160030), (12310, 147888), (12324, 147720), (12640, 144027), (14220, 128024), (14772, 123240), (15405, 118176), (16003, 113760), (16432, 110790), (18465, 98592), (18486, 98480), (18720, 97249), (18960, 96018), (19696, 92430), (20540, 88632), (22158, 82160), (22752, 80015), (24620, 73944), (24648, 73860), (28440, 64012), (29544, 61620), (30810, 59088), (32006, 56880), (32864, 55395), (36930, 49296), (36972, 49240), (37920, 48009), (39392, 46215), (41080, 44316)]