164996480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1072

約数の個数: 128

約数和(自身を含む): 449452800

約数和(自身を除く): 284456320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 640, 704, 736, 880, 920, 1012, 1019, 1265, 1408, 1472, 1760, 1840, 2024, 2038, 2530, 2944, 3520, 3680, 4048, 4076, 5060, 5095, 7040, 7360, 8096, 8152, 10120, 10190, 11209, 14720, 16192, 16304, 20240, 20380, 22418, 23437, 32384, 32608, 40480, 40760, 44836, 46874, 56045, 65216, 80960, 81520, 89672, 93748, 112090, 117185, 130432, 161920, 163040, 179344, 187496, 224180, 234370, 257807, 326080, 358688, 374992, 448360, 468740, 515614, 652160, 717376, 749984, 896720, 937480, 1031228, 1289035, 1434752, 1499968, 1793440, 1874960, 2062456, 2578070, 2999936, 3586880, 3749920, 4124912, 5156140, 7173760, 7499840, 8249824, 10312280, 14999680, 16499648, 20624560, 32999296, 41249120, 82498240, 164996480]

約数ペア:

[(1, 164996480), (2, 82498240), (4, 41249120), (5, 32999296), (8, 20624560), (10, 16499648), (11, 14999680), (16, 10312280), (20, 8249824), (22, 7499840), (23, 7173760), (32, 5156140), (40, 4124912), (44, 3749920), (46, 3586880), (55, 2999936), (64, 2578070), (80, 2062456), (88, 1874960), (92, 1793440), (110, 1499968), (115, 1434752), (128, 1289035), (160, 1031228), (176, 937480), (184, 896720), (220, 749984), (230, 717376), (253, 652160), (320, 515614), (352, 468740), (368, 448360), (440, 374992), (460, 358688), (506, 326080), (640, 257807), (704, 234370), (736, 224180), (880, 187496), (920, 179344), (1012, 163040), (1019, 161920), (1265, 130432), (1408, 117185), (1472, 112090), (1760, 93748), (1840, 89672), (2024, 81520), (2038, 80960), (2530, 65216), (2944, 56045), (3520, 46874), (3680, 44836), (4048, 40760), (4076, 40480), (5060, 32608), (5095, 32384), (7040, 23437), (7360, 22418), (8096, 20380), (8152, 20240), (10120, 16304), (10190, 16192), (11209, 14720)]