17990720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 31386880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 269, 304, 320, 352, 380, 418, 440, 538, 608, 704, 760, 836, 880, 1045, 1076, 1216, 1345, 1520, 1672, 1760, 2090, 2152, 2690, 2959, 3040, 3344, 3520, 4180, 4304, 5111, 5380, 5918, 6080, 6688, 8360, 8608, 10222, 10760, 11836, 13376, 14795, 16720, 17216, 20444, 21520, 23672, 25555, 29590, 33440, 40888, 43040, 47344, 51110, 56221, 59180, 66880, 81776, 86080, 94688, 102220, 112442, 118360, 163552, 189376, 204440, 224884, 236720, 281105, 327104, 408880, 449768, 473440, 562210, 817760, 899536, 946880, 1124420, 1635520, 1799072, 2248840, 3598144, 4497680, 8995360, 17990720]

約数ペア:

[(1, 17990720), (2, 8995360), (4, 4497680), (5, 3598144), (8, 2248840), (10, 1799072), (11, 1635520), (16, 1124420), (19, 946880), (20, 899536), (22, 817760), (32, 562210), (38, 473440), (40, 449768), (44, 408880), (55, 327104), (64, 281105), (76, 236720), (80, 224884), (88, 204440), (95, 189376), (110, 163552), (152, 118360), (160, 112442), (176, 102220), (190, 94688), (209, 86080), (220, 81776), (269, 66880), (304, 59180), (320, 56221), (352, 51110), (380, 47344), (418, 43040), (440, 40888), (538, 33440), (608, 29590), (704, 25555), (760, 23672), (836, 21520), (880, 20444), (1045, 17216), (1076, 16720), (1216, 14795), (1345, 13376), (1520, 11836), (1672, 10760), (1760, 10222), (2090, 8608), (2152, 8360), (2690, 6688), (2959, 6080), (3040, 5918), (3344, 5380), (3520, 5111), (4180, 4304)]