128621184

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 388293600

約数和(自身を除く): 259672416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 61, 64, 68, 76, 96, 102, 114, 122, 128, 136, 152, 183, 192, 204, 228, 244, 272, 289, 304, 323, 366, 384, 408, 456, 488, 544, 578, 608, 646, 732, 816, 867, 912, 969, 976, 1037, 1088, 1156, 1159, 1216, 1292, 1464, 1632, 1734, 1824, 1938, 1952, 2074, 2176, 2312, 2318, 2432, 2584, 2928, 3111, 3264, 3468, 3477, 3648, 3876, 3904, 4148, 4624, 4636, 5168, 5491, 5856, 6222, 6528, 6936, 6954, 7296, 7752, 7808, 8296, 9248, 9272, 10336, 10982, 11712, 12444, 13872, 13908, 15504, 16473, 16592, 17629, 18496, 18544, 19703, 20672, 21964, 23424, 24888, 27744, 27816, 31008, 32946, 33184, 35258, 36992, 37088, 39406, 41344, 43928, 49776, 52887, 55488, 55632, 59109, 62016, 65892, 66368, 70516, 74176, 78812, 87856, 99552, 105774, 110976, 111264, 118218, 124032, 131784, 132736, 141032, 148352, 157624, 175712, 199104, 211548, 222528, 236436, 263568, 282064, 315248, 334951, 351424, 398208, 423096, 445056, 472872, 527136, 564128, 630496, 669902, 702848, 846192, 945744, 1004853, 1054272, 1128256, 1260992, 1339804, 1692384, 1891488, 2009706, 2108544, 2256512, 2521984, 2679608, 3384768, 3782976, 4019412, 5359216, 6769536, 7565952, 8038824, 10718432, 16077648, 21436864, 32155296, 42873728, 64310592, 128621184]

約数ペア:

[(1, 128621184), (2, 64310592), (3, 42873728), (4, 32155296), (6, 21436864), (8, 16077648), (12, 10718432), (16, 8038824), (17, 7565952), (19, 6769536), (24, 5359216), (32, 4019412), (34, 3782976), (38, 3384768), (48, 2679608), (51, 2521984), (57, 2256512), (61, 2108544), (64, 2009706), (68, 1891488), (76, 1692384), (96, 1339804), (102, 1260992), (114, 1128256), (122, 1054272), (128, 1004853), (136, 945744), (152, 846192), (183, 702848), (192, 669902), (204, 630496), (228, 564128), (244, 527136), (272, 472872), (289, 445056), (304, 423096), (323, 398208), (366, 351424), (384, 334951), (408, 315248), (456, 282064), (488, 263568), (544, 236436), (578, 222528), (608, 211548), (646, 199104), (732, 175712), (816, 157624), (867, 148352), (912, 141032), (969, 132736), (976, 131784), (1037, 124032), (1088, 118218), (1156, 111264), (1159, 110976), (1216, 105774), (1292, 99552), (1464, 87856), (1632, 78812), (1734, 74176), (1824, 70516), (1938, 66368), (1952, 65892), (2074, 62016), (2176, 59109), (2312, 55632), (2318, 55488), (2432, 52887), (2584, 49776), (2928, 43928), (3111, 41344), (3264, 39406), (3468, 37088), (3477, 36992), (3648, 35258), (3876, 33184), (3904, 32946), (4148, 31008), (4624, 27816), (4636, 27744), (5168, 24888), (5491, 23424), (5856, 21964), (6222, 20672), (6528, 19703), (6936, 18544), (6954, 18496), (7296, 17629), (7752, 16592), (7808, 16473), (8296, 15504), (9248, 13908), (9272, 13872), (10336, 12444), (10982, 11712)]