205531920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25951}}^1$

素因数の和:25981

約数の個数: 120

約数和(自身を含む): 753023232

約数和(自身を除く): 547491312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 25951, 51902, 77853, 103804, 129755, 155706, 207608, 233559, 259510, 285461, 311412, 389265, 415216, 467118, 519020, 570922, 622824, 778530, 856383, 934236, 1038040, 1141844, 1167795, 1245648, 1427305, 1557060, 1712766, 1868472, 2076080, 2283688, 2335590, 2569149, 2854610, 3114120, 3425532, 3736944, 4281915, 4567376, 4671180, 5138298, 5709220, 6228240, 6851064, 8563830, 9342360, 10276596, 11418440, 12845745, 13702128, 17127660, 18684720, 20553192, 22836880, 25691490, 34255320, 41106384, 51382980, 68510640, 102765960, 205531920]

約数ペア:

[(1, 205531920), (2, 102765960), (3, 68510640), (4, 51382980), (5, 41106384), (6, 34255320), (8, 25691490), (9, 22836880), (10, 20553192), (11, 18684720), (12, 17127660), (15, 13702128), (16, 12845745), (18, 11418440), (20, 10276596), (22, 9342360), (24, 8563830), (30, 6851064), (33, 6228240), (36, 5709220), (40, 5138298), (44, 4671180), (45, 4567376), (48, 4281915), (55, 3736944), (60, 3425532), (66, 3114120), (72, 2854610), (80, 2569149), (88, 2335590), (90, 2283688), (99, 2076080), (110, 1868472), (120, 1712766), (132, 1557060), (144, 1427305), (165, 1245648), (176, 1167795), (180, 1141844), (198, 1038040), (220, 934236), (240, 856383), (264, 778530), (330, 622824), (360, 570922), (396, 519020), (440, 467118), (495, 415216), (528, 389265), (660, 311412), (720, 285461), (792, 259510), (880, 233559), (990, 207608), (1320, 155706), (1584, 129755), (1980, 103804), (2640, 77853), (3960, 51902), (7920, 25951)]