31322720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 89350128

約数和(自身を除く): 58027408

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 37, 40, 44, 52, 55, 65, 74, 80, 88, 104, 110, 130, 143, 148, 160, 176, 185, 208, 220, 260, 286, 296, 352, 370, 407, 416, 440, 481, 520, 572, 592, 715, 740, 814, 880, 962, 1040, 1144, 1184, 1369, 1430, 1480, 1628, 1760, 1924, 2035, 2080, 2288, 2405, 2738, 2860, 2960, 3256, 3848, 4070, 4576, 4810, 5291, 5476, 5720, 5920, 6512, 6845, 7696, 8140, 9620, 10582, 10952, 11440, 13024, 13690, 15059, 15392, 16280, 17797, 19240, 21164, 21904, 22880, 26455, 27380, 30118, 32560, 35594, 38480, 42328, 43808, 52910, 54760, 60236, 65120, 71188, 75295, 76960, 84656, 88985, 105820, 109520, 120472, 142376, 150590, 169312, 177970, 195767, 211640, 219040, 240944, 284752, 301180, 355940, 391534, 423280, 481888, 569504, 602360, 711880, 783068, 846560, 978835, 1204720, 1423760, 1566136, 1957670, 2409440, 2847520, 3132272, 3915340, 6264544, 7830680, 15661360, 31322720]

約数ペア:

[(1, 31322720), (2, 15661360), (4, 7830680), (5, 6264544), (8, 3915340), (10, 3132272), (11, 2847520), (13, 2409440), (16, 1957670), (20, 1566136), (22, 1423760), (26, 1204720), (32, 978835), (37, 846560), (40, 783068), (44, 711880), (52, 602360), (55, 569504), (65, 481888), (74, 423280), (80, 391534), (88, 355940), (104, 301180), (110, 284752), (130, 240944), (143, 219040), (148, 211640), (160, 195767), (176, 177970), (185, 169312), (208, 150590), (220, 142376), (260, 120472), (286, 109520), (296, 105820), (352, 88985), (370, 84656), (407, 76960), (416, 75295), (440, 71188), (481, 65120), (520, 60236), (572, 54760), (592, 52910), (715, 43808), (740, 42328), (814, 38480), (880, 35594), (962, 32560), (1040, 30118), (1144, 27380), (1184, 26455), (1369, 22880), (1430, 21904), (1480, 21164), (1628, 19240), (1760, 17797), (1924, 16280), (2035, 15392), (2080, 15059), (2288, 13690), (2405, 13024), (2738, 11440), (2860, 10952), (2960, 10582), (3256, 9620), (3848, 8140), (4070, 7696), (4576, 6845), (4810, 6512), (5291, 5920), (5476, 5720)]