15661360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 43965936

約数和(自身を除く): 28304576

約数列:

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

約数ペア:

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