81436320

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{2693}}^1$

素因数の和:2724

約数の個数: 192

約数和(自身を含む): 325866240

約数和(自身を除く): 244429920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 2693, 3024, 3360, 3780, 4320, 5040, 5386, 6048, 7560, 8079, 10080, 10772, 13465, 15120, 16158, 18851, 21544, 24237, 26930, 30240, 32316, 37702, 40395, 43088, 48474, 53860, 56553, 64632, 72711, 75404, 80790, 86176, 94255, 96948, 107720, 113106, 121185, 129264, 145422, 150808, 161580, 169659, 188510, 193896, 215440, 226212, 242370, 258528, 282765, 290844, 301616, 323160, 339318, 363555, 377020, 387792, 430880, 452424, 484740, 508977, 565530, 581688, 603232, 646320, 678636, 727110, 754040, 775584, 848295, 904848, 969480, 1017954, 1131060, 1163376, 1292640, 1357272, 1454220, 1508080, 1696590, 1809696, 1938960, 2035908, 2262120, 2326752, 2544885, 2714544, 2908440, 3016160, 3393180, 3877920, 4071816, 4524240, 5089770, 5429088, 5816880, 6786360, 8143632, 9048480, 10179540, 11633760, 13572720, 16287264, 20359080, 27145440, 40718160, 81436320]

約数ペア:

[(1, 81436320), (2, 40718160), (3, 27145440), (4, 20359080), (5, 16287264), (6, 13572720), (7, 11633760), (8, 10179540), (9, 9048480), (10, 8143632), (12, 6786360), (14, 5816880), (15, 5429088), (16, 5089770), (18, 4524240), (20, 4071816), (21, 3877920), (24, 3393180), (27, 3016160), (28, 2908440), (30, 2714544), (32, 2544885), (35, 2326752), (36, 2262120), (40, 2035908), (42, 1938960), (45, 1809696), (48, 1696590), (54, 1508080), (56, 1454220), (60, 1357272), (63, 1292640), (70, 1163376), (72, 1131060), (80, 1017954), (84, 969480), (90, 904848), (96, 848295), (105, 775584), (108, 754040), (112, 727110), (120, 678636), (126, 646320), (135, 603232), (140, 581688), (144, 565530), (160, 508977), (168, 484740), (180, 452424), (189, 430880), (210, 387792), (216, 377020), (224, 363555), (240, 339318), (252, 323160), (270, 301616), (280, 290844), (288, 282765), (315, 258528), (336, 242370), (360, 226212), (378, 215440), (420, 193896), (432, 188510), (480, 169659), (504, 161580), (540, 150808), (560, 145422), (630, 129264), (672, 121185), (720, 113106), (756, 107720), (840, 96948), (864, 94255), (945, 86176), (1008, 80790), (1080, 75404), (1120, 72711), (1260, 64632), (1440, 56553), (1512, 53860), (1680, 48474), (1890, 43088), (2016, 40395), (2160, 37702), (2520, 32316), (2693, 30240), (3024, 26930), (3360, 24237), (3780, 21544), (4320, 18851), (5040, 16158), (5386, 15120), (6048, 13465), (7560, 10772), (8079, 10080)]