80002880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 203271120

約数和(自身を除く): 123268240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 145, 148, 160, 185, 232, 233, 290, 296, 320, 370, 464, 466, 580, 592, 740, 928, 932, 1073, 1160, 1165, 1184, 1480, 1856, 1864, 2146, 2320, 2330, 2368, 2960, 3728, 4292, 4640, 4660, 5365, 5920, 6757, 7456, 8584, 8621, 9280, 9320, 10730, 11840, 13514, 14912, 17168, 17242, 18640, 21460, 27028, 33785, 34336, 34484, 37280, 42920, 43105, 54056, 67570, 68672, 68968, 74560, 85840, 86210, 108112, 135140, 137936, 171680, 172420, 216224, 250009, 270280, 275872, 343360, 344840, 432448, 500018, 540560, 551744, 689680, 1000036, 1081120, 1250045, 1379360, 2000072, 2162240, 2500090, 2758720, 4000144, 5000180, 8000288, 10000360, 16000576, 20000720, 40001440, 80002880]

約数ペア:

[(1, 80002880), (2, 40001440), (4, 20000720), (5, 16000576), (8, 10000360), (10, 8000288), (16, 5000180), (20, 4000144), (29, 2758720), (32, 2500090), (37, 2162240), (40, 2000072), (58, 1379360), (64, 1250045), (74, 1081120), (80, 1000036), (116, 689680), (145, 551744), (148, 540560), (160, 500018), (185, 432448), (232, 344840), (233, 343360), (290, 275872), (296, 270280), (320, 250009), (370, 216224), (464, 172420), (466, 171680), (580, 137936), (592, 135140), (740, 108112), (928, 86210), (932, 85840), (1073, 74560), (1160, 68968), (1165, 68672), (1184, 67570), (1480, 54056), (1856, 43105), (1864, 42920), (2146, 37280), (2320, 34484), (2330, 34336), (2368, 33785), (2960, 27028), (3728, 21460), (4292, 18640), (4640, 17242), (4660, 17168), (5365, 14912), (5920, 13514), (6757, 11840), (7456, 10730), (8584, 9320), (8621, 9280)]