42143920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 122898384

約数和(自身を除く): 80754464

約数列:

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

約数ペア:

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