128423664

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 385689600

約数和(自身を除く): 257265936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 71, 72, 79, 106, 108, 142, 144, 158, 159, 212, 213, 216, 237, 284, 316, 318, 424, 426, 432, 474, 477, 568, 632, 636, 639, 711, 848, 852, 948, 954, 1136, 1264, 1272, 1278, 1422, 1431, 1704, 1896, 1908, 1917, 2133, 2544, 2556, 2844, 2862, 3408, 3763, 3792, 3816, 3834, 4187, 4266, 5112, 5609, 5688, 5724, 7526, 7632, 7668, 8374, 8532, 10224, 11218, 11289, 11376, 11448, 12561, 15052, 15336, 16748, 16827, 17064, 22436, 22578, 22896, 25122, 30104, 30672, 33496, 33654, 33867, 34128, 37683, 44872, 45156, 50244, 50481, 60208, 66992, 67308, 67734, 75366, 89744, 90312, 100488, 100962, 101601, 113049, 134616, 135468, 150732, 151443, 180624, 200976, 201924, 203202, 226098, 269232, 270936, 297277, 301464, 302886, 403848, 406404, 452196, 541872, 594554, 602928, 605772, 807696, 812808, 891831, 904392, 1189108, 1211544, 1625616, 1783662, 1808784, 2378216, 2423088, 2675493, 3567324, 4756432, 5350986, 7134648, 8026479, 10701972, 14269296, 16052958, 21403944, 32105916, 42807888, 64211832, 128423664]

約数ペア:

[(1, 128423664), (2, 64211832), (3, 42807888), (4, 32105916), (6, 21403944), (8, 16052958), (9, 14269296), (12, 10701972), (16, 8026479), (18, 7134648), (24, 5350986), (27, 4756432), (36, 3567324), (48, 2675493), (53, 2423088), (54, 2378216), (71, 1808784), (72, 1783662), (79, 1625616), (106, 1211544), (108, 1189108), (142, 904392), (144, 891831), (158, 812808), (159, 807696), (212, 605772), (213, 602928), (216, 594554), (237, 541872), (284, 452196), (316, 406404), (318, 403848), (424, 302886), (426, 301464), (432, 297277), (474, 270936), (477, 269232), (568, 226098), (632, 203202), (636, 201924), (639, 200976), (711, 180624), (848, 151443), (852, 150732), (948, 135468), (954, 134616), (1136, 113049), (1264, 101601), (1272, 100962), (1278, 100488), (1422, 90312), (1431, 89744), (1704, 75366), (1896, 67734), (1908, 67308), (1917, 66992), (2133, 60208), (2544, 50481), (2556, 50244), (2844, 45156), (2862, 44872), (3408, 37683), (3763, 34128), (3792, 33867), (3816, 33654), (3834, 33496), (4187, 30672), (4266, 30104), (5112, 25122), (5609, 22896), (5688, 22578), (5724, 22436), (7526, 17064), (7632, 16827), (7668, 16748), (8374, 15336), (8532, 15052), (10224, 12561), (11218, 11448), (11289, 11376)]