162458128

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 385630080

約数和(自身を除く): 223171952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 61, 79, 86, 98, 112, 122, 158, 172, 196, 244, 301, 316, 344, 392, 427, 488, 553, 602, 632, 688, 784, 854, 976, 1106, 1204, 1264, 1708, 2107, 2212, 2408, 2623, 2989, 3397, 3416, 3871, 4214, 4424, 4816, 4819, 5246, 5978, 6794, 6832, 7742, 8428, 8848, 9638, 10492, 11956, 13588, 15484, 16856, 18361, 19276, 20984, 23779, 23912, 27176, 30968, 33712, 33733, 36722, 38552, 41968, 47558, 47824, 54352, 61936, 67466, 73444, 77104, 95116, 128527, 134932, 146888, 166453, 190232, 207217, 236131, 257054, 269864, 293776, 332906, 380464, 414434, 472262, 514108, 539728, 665812, 828868, 944524, 1028216, 1331624, 1450519, 1657736, 1889048, 2056432, 2663248, 2901038, 3315472, 3778096, 5802076, 10153633, 11604152, 20307266, 23208304, 40614532, 81229064, 162458128]

約数ペア:

[(1, 162458128), (2, 81229064), (4, 40614532), (7, 23208304), (8, 20307266), (14, 11604152), (16, 10153633), (28, 5802076), (43, 3778096), (49, 3315472), (56, 2901038), (61, 2663248), (79, 2056432), (86, 1889048), (98, 1657736), (112, 1450519), (122, 1331624), (158, 1028216), (172, 944524), (196, 828868), (244, 665812), (301, 539728), (316, 514108), (344, 472262), (392, 414434), (427, 380464), (488, 332906), (553, 293776), (602, 269864), (632, 257054), (688, 236131), (784, 207217), (854, 190232), (976, 166453), (1106, 146888), (1204, 134932), (1264, 128527), (1708, 95116), (2107, 77104), (2212, 73444), (2408, 67466), (2623, 61936), (2989, 54352), (3397, 47824), (3416, 47558), (3871, 41968), (4214, 38552), (4424, 36722), (4816, 33733), (4819, 33712), (5246, 30968), (5978, 27176), (6794, 23912), (6832, 23779), (7742, 20984), (8428, 19276), (8848, 18361), (9638, 16856), (10492, 15484), (11956, 13588)]