163989280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1651

約数の個数: 144

約数和(自身を含む): 485646840

約数和(自身を除く): 321657560

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, 910, 980, 1040, 1120, 1274, 1456, 1568, 1609, 1820, 1960, 2080, 2548, 2912, 3185, 3218, 3640, 3920, 5096, 6370, 6436, 7280, 7840, 8045, 10192, 11263, 12740, 12872, 14560, 16090, 20384, 20917, 22526, 25480, 25744, 32180, 41834, 45052, 50960, 51488, 56315, 64360, 78841, 83668, 90104, 101920, 104585, 112630, 128720, 146419, 157682, 167336, 180208, 209170, 225260, 257440, 292838, 315364, 334672, 360416, 394205, 418340, 450520, 585676, 630728, 669344, 732095, 788410, 836680, 901040, 1024933, 1171352, 1261456, 1464190, 1576820, 1673360, 1802080, 2049866, 2342704, 2522912, 2928380, 3153640, 3346720, 4099732, 4685408, 5124665, 5856760, 6307280, 8199464, 10249330, 11713520, 12614560, 16398928, 20498660, 23427040, 32797856, 40997320, 81994640, 163989280]

約数ペア:

[(1, 163989280), (2, 81994640), (4, 40997320), (5, 32797856), (7, 23427040), (8, 20498660), (10, 16398928), (13, 12614560), (14, 11713520), (16, 10249330), (20, 8199464), (26, 6307280), (28, 5856760), (32, 5124665), (35, 4685408), (40, 4099732), (49, 3346720), (52, 3153640), (56, 2928380), (65, 2522912), (70, 2342704), (80, 2049866), (91, 1802080), (98, 1673360), (104, 1576820), (112, 1464190), (130, 1261456), (140, 1171352), (160, 1024933), (182, 901040), (196, 836680), (208, 788410), (224, 732095), (245, 669344), (260, 630728), (280, 585676), (364, 450520), (392, 418340), (416, 394205), (455, 360416), (490, 334672), (520, 315364), (560, 292838), (637, 257440), (728, 225260), (784, 209170), (910, 180208), (980, 167336), (1040, 157682), (1120, 146419), (1274, 128720), (1456, 112630), (1568, 104585), (1609, 101920), (1820, 90104), (1960, 83668), (2080, 78841), (2548, 64360), (2912, 56315), (3185, 51488), (3218, 50960), (3640, 45052), (3920, 41834), (5096, 32180), (6370, 25744), (6436, 25480), (7280, 22526), (7840, 20917), (8045, 20384), (10192, 16090), (11263, 14560), (12740, 12872)]