208163280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 160

約数和(自身を含む): 701455104

約数和(自身を除く): 493291824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 137, 156, 195, 208, 240, 260, 274, 312, 390, 411, 487, 520, 548, 624, 685, 780, 822, 974, 1040, 1096, 1370, 1461, 1560, 1644, 1781, 1948, 2055, 2192, 2435, 2740, 2922, 3120, 3288, 3562, 3896, 4110, 4870, 5343, 5480, 5844, 6331, 6576, 7124, 7305, 7792, 8220, 8905, 9740, 10686, 10960, 11688, 12662, 14248, 14610, 16440, 17810, 18993, 19480, 21372, 23376, 25324, 26715, 28496, 29220, 31655, 32880, 35620, 37986, 38960, 42744, 50648, 53430, 58440, 63310, 66719, 71240, 75972, 85488, 94965, 101296, 106860, 116880, 126620, 133438, 142480, 151944, 189930, 200157, 213720, 253240, 266876, 303888, 333595, 379860, 400314, 427440, 506480, 533752, 667190, 759720, 800628, 867347, 1000785, 1067504, 1334380, 1519440, 1601256, 1734694, 2001570, 2602041, 2668760, 3202512, 3469388, 4003140, 4336735, 5204082, 5337520, 6938776, 8006280, 8673470, 10408164, 13010205, 13877552, 16012560, 17346940, 20816328, 26020410, 34693880, 41632656, 52040820, 69387760, 104081640, 208163280]

約数ペア:

[(1, 208163280), (2, 104081640), (3, 69387760), (4, 52040820), (5, 41632656), (6, 34693880), (8, 26020410), (10, 20816328), (12, 17346940), (13, 16012560), (15, 13877552), (16, 13010205), (20, 10408164), (24, 8673470), (26, 8006280), (30, 6938776), (39, 5337520), (40, 5204082), (48, 4336735), (52, 4003140), (60, 3469388), (65, 3202512), (78, 2668760), (80, 2602041), (104, 2001570), (120, 1734694), (130, 1601256), (137, 1519440), (156, 1334380), (195, 1067504), (208, 1000785), (240, 867347), (260, 800628), (274, 759720), (312, 667190), (390, 533752), (411, 506480), (487, 427440), (520, 400314), (548, 379860), (624, 333595), (685, 303888), (780, 266876), (822, 253240), (974, 213720), (1040, 200157), (1096, 189930), (1370, 151944), (1461, 142480), (1560, 133438), (1644, 126620), (1781, 116880), (1948, 106860), (2055, 101296), (2192, 94965), (2435, 85488), (2740, 75972), (2922, 71240), (3120, 66719), (3288, 63310), (3562, 58440), (3896, 53430), (4110, 50648), (4870, 42744), (5343, 38960), (5480, 37986), (5844, 35620), (6331, 32880), (6576, 31655), (7124, 29220), (7305, 28496), (7792, 26715), (8220, 25324), (8905, 23376), (9740, 21372), (10686, 19480), (10960, 18993), (11688, 17810), (12662, 16440), (14248, 14610)]