641854656

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:523

約数の個数: 168

約数和(自身を含む): 1952670720

約数和(自身を除く): 1310816064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 152, 171, 192, 223, 228, 263, 288, 304, 342, 446, 456, 526, 576, 608, 669, 684, 789, 892, 912, 1052, 1216, 1338, 1368, 1578, 1784, 1824, 2007, 2104, 2367, 2676, 2736, 3156, 3568, 3648, 4014, 4208, 4237, 4734, 4997, 5352, 5472, 6312, 7136, 8028, 8416, 8474, 9468, 9994, 10704, 10944, 12624, 12711, 14272, 14991, 16056, 16832, 16948, 18936, 19988, 21408, 25248, 25422, 29982, 32112, 33896, 37872, 38133, 39976, 42816, 44973, 50496, 50844, 58649, 59964, 64224, 67792, 75744, 76266, 79952, 89946, 101688, 117298, 119928, 128448, 135584, 151488, 152532, 159904, 175947, 179892, 203376, 234596, 239856, 271168, 305064, 319808, 351894, 359784, 406752, 469192, 479712, 527841, 610128, 703788, 719568, 813504, 938384, 959424, 1055682, 1114331, 1220256, 1407576, 1439136, 1876768, 2111364, 2228662, 2440512, 2815152, 2878272, 3342993, 3753536, 4222728, 4457324, 5630304, 6685986, 8445456, 8914648, 10028979, 11260608, 13371972, 16890912, 17829296, 20057958, 26743944, 33781824, 35658592, 40115916, 53487888, 71317184, 80231832, 106975776, 160463664, 213951552, 320927328, 641854656]

約数ペア:

[(1, 641854656), (2, 320927328), (3, 213951552), (4, 160463664), (6, 106975776), (8, 80231832), (9, 71317184), (12, 53487888), (16, 40115916), (18, 35658592), (19, 33781824), (24, 26743944), (32, 20057958), (36, 17829296), (38, 16890912), (48, 13371972), (57, 11260608), (64, 10028979), (72, 8914648), (76, 8445456), (96, 6685986), (114, 5630304), (144, 4457324), (152, 4222728), (171, 3753536), (192, 3342993), (223, 2878272), (228, 2815152), (263, 2440512), (288, 2228662), (304, 2111364), (342, 1876768), (446, 1439136), (456, 1407576), (526, 1220256), (576, 1114331), (608, 1055682), (669, 959424), (684, 938384), (789, 813504), (892, 719568), (912, 703788), (1052, 610128), (1216, 527841), (1338, 479712), (1368, 469192), (1578, 406752), (1784, 359784), (1824, 351894), (2007, 319808), (2104, 305064), (2367, 271168), (2676, 239856), (2736, 234596), (3156, 203376), (3568, 179892), (3648, 175947), (4014, 159904), (4208, 152532), (4237, 151488), (4734, 135584), (4997, 128448), (5352, 119928), (5472, 117298), (6312, 101688), (7136, 89946), (8028, 79952), (8416, 76266), (8474, 75744), (9468, 67792), (9994, 64224), (10704, 59964), (10944, 58649), (12624, 50844), (12711, 50496), (14272, 44973), (14991, 42816), (16056, 39976), (16832, 38133), (16948, 37872), (18936, 33896), (19988, 32112), (21408, 29982), (25248, 25422)]