84287840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 249761232

約数和(自身を除く): 165473392

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 827, 910, 980, 1040, 1120, 1274, 1456, 1568, 1654, 1820, 1960, 2080, 2548, 2912, 3185, 3308, 3640, 3920, 4135, 5096, 5789, 6370, 6616, 7280, 7840, 8270, 10192, 10751, 11578, 12740, 13232, 14560, 16540, 20384, 21502, 23156, 25480, 26464, 28945, 33080, 40523, 43004, 46312, 50960, 53755, 57890, 66160, 75257, 81046, 86008, 92624, 101920, 107510, 115780, 132320, 150514, 162092, 172016, 185248, 202615, 215020, 231560, 301028, 324184, 344032, 376285, 405230, 430040, 463120, 526799, 602056, 648368, 752570, 810460, 860080, 926240, 1053598, 1204112, 1296736, 1505140, 1620920, 1720160, 2107196, 2408224, 2633995, 3010280, 3241840, 4214392, 5267990, 6020560, 6483680, 8428784, 10535980, 12041120, 16857568, 21071960, 42143920, 84287840]

約数ペア:

[(1, 84287840), (2, 42143920), (4, 21071960), (5, 16857568), (7, 12041120), (8, 10535980), (10, 8428784), (13, 6483680), (14, 6020560), (16, 5267990), (20, 4214392), (26, 3241840), (28, 3010280), (32, 2633995), (35, 2408224), (40, 2107196), (49, 1720160), (52, 1620920), (56, 1505140), (65, 1296736), (70, 1204112), (80, 1053598), (91, 926240), (98, 860080), (104, 810460), (112, 752570), (130, 648368), (140, 602056), (160, 526799), (182, 463120), (196, 430040), (208, 405230), (224, 376285), (245, 344032), (260, 324184), (280, 301028), (364, 231560), (392, 215020), (416, 202615), (455, 185248), (490, 172016), (520, 162092), (560, 150514), (637, 132320), (728, 115780), (784, 107510), (827, 101920), (910, 92624), (980, 86008), (1040, 81046), (1120, 75257), (1274, 66160), (1456, 57890), (1568, 53755), (1654, 50960), (1820, 46312), (1960, 43004), (2080, 40523), (2548, 33080), (2912, 28945), (3185, 26464), (3308, 25480), (3640, 23156), (3920, 21502), (4135, 20384), (5096, 16540), (5789, 14560), (6370, 13232), (6616, 12740), (7280, 11578), (7840, 10751), (8270, 10192)]