78744640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 112

約数和(自身を含む): 210970368

約数和(自身を除く): 132225728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 823, 832, 920, 1040, 1196, 1472, 1495, 1646, 1840, 2080, 2392, 2990, 3292, 3680, 4115, 4160, 4784, 5980, 6584, 7360, 8230, 9568, 10699, 11960, 13168, 16460, 18929, 19136, 21398, 23920, 26336, 32920, 37858, 42796, 47840, 52672, 53495, 65840, 75716, 85592, 94645, 95680, 106990, 131680, 151432, 171184, 189290, 213980, 246077, 263360, 302864, 342368, 378580, 427960, 492154, 605728, 684736, 757160, 855920, 984308, 1211456, 1230385, 1514320, 1711840, 1968616, 2460770, 3028640, 3423680, 3937232, 4921540, 6057280, 7874464, 9843080, 15748928, 19686160, 39372320, 78744640]

約数ペア:

[(1, 78744640), (2, 39372320), (4, 19686160), (5, 15748928), (8, 9843080), (10, 7874464), (13, 6057280), (16, 4921540), (20, 3937232), (23, 3423680), (26, 3028640), (32, 2460770), (40, 1968616), (46, 1711840), (52, 1514320), (64, 1230385), (65, 1211456), (80, 984308), (92, 855920), (104, 757160), (115, 684736), (130, 605728), (160, 492154), (184, 427960), (208, 378580), (230, 342368), (260, 302864), (299, 263360), (320, 246077), (368, 213980), (416, 189290), (460, 171184), (520, 151432), (598, 131680), (736, 106990), (823, 95680), (832, 94645), (920, 85592), (1040, 75716), (1196, 65840), (1472, 53495), (1495, 52672), (1646, 47840), (1840, 42796), (2080, 37858), (2392, 32920), (2990, 26336), (3292, 23920), (3680, 21398), (4115, 19136), (4160, 18929), (4784, 16460), (5980, 13168), (6584, 11960), (7360, 10699), (8230, 9568)]