128721312

素因数分解:

$2^5\times 3^4\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1012

約数の個数: 120

約数和(自身を含む): 386120196

約数和(自身を除く): 257398884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 159, 162, 212, 216, 288, 318, 324, 424, 432, 477, 636, 648, 848, 864, 937, 954, 1272, 1296, 1431, 1696, 1874, 1908, 2544, 2592, 2811, 2862, 3748, 3816, 4293, 5088, 5622, 5724, 7496, 7632, 8433, 8586, 11244, 11448, 14992, 15264, 16866, 17172, 22488, 22896, 25299, 29984, 33732, 34344, 44976, 45792, 49661, 50598, 67464, 68688, 75897, 89952, 99322, 101196, 134928, 137376, 148983, 151794, 198644, 202392, 269856, 297966, 303588, 397288, 404784, 446949, 595932, 607176, 794576, 809568, 893898, 1191864, 1214352, 1340847, 1589152, 1787796, 2383728, 2428704, 2681694, 3575592, 4022541, 4767456, 5363388, 7151184, 8045082, 10726776, 14302368, 16090164, 21453552, 32180328, 42907104, 64360656, 128721312]

約数ペア:

[(1, 128721312), (2, 64360656), (3, 42907104), (4, 32180328), (6, 21453552), (8, 16090164), (9, 14302368), (12, 10726776), (16, 8045082), (18, 7151184), (24, 5363388), (27, 4767456), (32, 4022541), (36, 3575592), (48, 2681694), (53, 2428704), (54, 2383728), (72, 1787796), (81, 1589152), (96, 1340847), (106, 1214352), (108, 1191864), (144, 893898), (159, 809568), (162, 794576), (212, 607176), (216, 595932), (288, 446949), (318, 404784), (324, 397288), (424, 303588), (432, 297966), (477, 269856), (636, 202392), (648, 198644), (848, 151794), (864, 148983), (937, 137376), (954, 134928), (1272, 101196), (1296, 99322), (1431, 89952), (1696, 75897), (1874, 68688), (1908, 67464), (2544, 50598), (2592, 49661), (2811, 45792), (2862, 44976), (3748, 34344), (3816, 33732), (4293, 29984), (5088, 25299), (5622, 22896), (5724, 22488), (7496, 17172), (7632, 16866), (8433, 15264), (8586, 14992), (11244, 11448)]