1990060440480

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{49369}}^1$

素因数の和:49474

約数の個数: 768

約数和(自身を含む): 8408287641600

約数和(自身を除く): 6418227201120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 86, 90, 93, 96, 105, 108, 112, 120, 124, 126, 129, 135, 140, 144, 155, 160, 168, 172, 180, 186, 189, 210, 215, 216, 217, 224, 240, 248, 252, 258, 270, 279, 280, 288, 301, 310, 315, 336, 344, 360, 372, 378, 387, 420, 430, 432, 434, 465, 480, 496, 504, 516, 540, 558, 560, 602, 620, 630, 645, 651, 672, 688, 720, 744, 756, 774, 837, 840, 860, 864, 868, 903, 930, 945, 992, 1008, 1032, 1080, 1085, 1116, 1120, 1161, 1204, 1240, 1260, 1290, 1302, 1333, 1376, 1395, 1440, 1488, 1505, 1512, 1548, 1674, 1680, 1720, 1736, 1806, 1860, 1890, 1935, 1953, 2016, 2064, 2160, 2170, 2232, 2322, 2408, 2480, 2520, 2580, 2604, 2666, 2709, 2790, 2976, 3010, 3024, 3096, 3255, 3348, 3360, 3440, 3472, 3612, 3720, 3780, 3870, 3906, 3999, 4128, 4185, 4320, 4340, 4464, 4515, 4644, 4816, 4960, 5040, 5160, 5208, 5332, 5418, 5580, 5805, 5859, 6020, 6048, 6192, 6510, 6665, 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1322299296, 1337406210, 1381986417, 1426566624, 1446264855, 1492918560, 1528464240, 1542682512, 1579413048, 1604887452, 1652874120, 1714091680, 1776839679, 1783208280, 1834157088, 1842648556, 1928353140, 1974266310, 2006109315, 2105884064, 2139849936, 2203832160, 2292696360, 2303310695, 2314023768, 2369119572, 2377611040, 2571137520, 2632355080, 2674812420, 2763972834, 2892529710, 2961399465, 3056928480, 3085365024, 3158826096, 3209774904, 3305748240, 3553679358, 3566416560, 3685297112, 3856706280, 3948532620, 4012218630, 4145959251, 4279699872, 4585392720, 4606621390, 4628047536, 4738239144, 5142275040, 5264710160, 5349624840, 5527945668, 5785059420, 5922798930, 6317652192, 6419549808, 6611496480, 6909932085, 7107358716, 7132833120, 7370594224, 7713412560, 7897065240, 8024437260, 8291918502, 8884198395, 9170785440, 9213242780, 9256095072, 9476478288, 10529420320, 10699249680, 11055891336, 11570118840, 11845597860, 12437877753, 12839099616, 13819864170, 14214717432, 14741188448, 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約数ペア:

[(1, 1990060440480), (2, 995030220240), (3, 663353480160), (4, 497515110120), (5, 398012088096), (6, 331676740080), (7, 284294348640), (8, 248757555060), (9, 221117826720), (10, 199006044048), (12, 165838370040), (14, 142147174320), (15, 132670696032), (16, 124378777530), (18, 110558913360), (20, 99503022024), (21, 94764782880), (24, 82919185020), (27, 73705942240), (28, 71073587160), (30, 66335348016), (31, 64195498080), (32, 62189388765), (35, 56858869728), (36, 55279456680), (40, 49751511012), (42, 47382391440), (43, 46280475360), (45, 44223565344), (48, 41459592510), (54, 36852971120), (56, 35536793580), (60, 33167674008), (62, 32097749040), (63, 31588260960), (70, 28429434864), (72, 27639728340), (80, 24875755506), (84, 23691195720), (86, 23140237680), (90, 22111782672), (93, 21398499360), (96, 20729796255), (105, 18952956576), (108, 18426485560), (112, 17768396790), (120, 16583837004), (124, 16048874520), (126, 15794130480), (129, 15426825120), (135, 14741188448), (140, 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(30960, 64278438), (31248, 63686010), (31992, 62204940), (32508, 61217560), (33480, 59440276), (34720, 57317409), (35991, 55293280), (36120, 55095804), (37152, 53565365), (37324, 53318520), (39060, 50948808), (39990, 49763952), (40635, 48974048), (42656, 46653705), (43344, 45913170), (44640, 44580207), (46440, 42852292), (46655, 42654816), (46872, 42457340), (47988, 41469960), (48160, 41321853), (49369, 40309920), (52080, 38211606), (53320, 37322964), (54180, 36730536), (55986, 35545680), (58590, 33965872), (59985, 33175968), (61920, 32139219), (62496, 31843005), (63984, 31102470), (65016, 30608780), (66960, 29720138), (71982, 27646640), (72240, 27547902), (74648, 26659260), (78120, 25474404), (79980, 24881976), (81270, 24487024), (83979, 23697120), (86688, 22956585), (92880, 21426146), (93310, 21327408), (93744, 21228670), (95976, 20734980), (98738, 20154960), (104160, 19105803), (106640, 18661482), (108360, 18365268), (111972, 17772840), (117180, 16982936), (119970, 16587984), 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