217279920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 240

約数和(自身を含む): 797306112

約数和(自身を除く): 580026192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 169, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 338, 390, 429, 440, 487, 507, 520, 528, 572, 624, 660, 676, 715, 780, 845, 858, 880, 974, 1014, 1040, 1144, 1320, 1352, 1430, 1461, 1560, 1690, 1716, 1859, 1948, 2028, 2145, 2288, 2435, 2535, 2640, 2704, 2860, 2922, 3120, 3380, 3432, 3718, 3896, 4056, 4290, 4870, 5070, 5357, 5577, 5720, 5844, 6331, 6760, 6864, 7305, 7436, 7792, 8112, 8580, 9295, 9740, 10140, 10714, 11154, 11440, 11688, 12662, 13520, 14610, 14872, 16071, 17160, 18590, 18993, 19480, 20280, 21428, 22308, 23376, 25324, 26785, 27885, 29220, 29744, 31655, 32142, 34320, 37180, 37986, 38960, 40560, 42856, 44616, 50648, 53570, 55770, 58440, 63310, 64284, 69641, 74360, 75972, 80355, 82303, 85712, 89232, 94965, 101296, 107140, 111540, 116880, 126620, 128568, 139282, 148720, 151944, 160710, 164606, 189930, 208923, 214280, 223080, 246909, 253240, 257136, 278564, 303888, 321420, 329212, 348205, 379860, 411515, 417846, 428560, 446160, 493818, 506480, 557128, 642840, 658424, 696410, 759720, 823030, 835692, 905333, 987636, 1044615, 1114256, 1234545, 1285680, 1316848, 1392820, 1519440, 1646060, 1671384, 1810666, 1975272, 2089230, 2469090, 2715999, 2785640, 3292120, 3342768, 3621332, 3950544, 4178460, 4526665, 4938180, 5431998, 5571280, 6584240, 7242664, 8356920, 9053330, 9876360, 10863996, 13579995, 14485328, 16713840, 18106660, 19752720, 21727992, 27159990, 36213320, 43455984, 54319980, 72426640, 108639960, 217279920]

約数ペア:

[(1, 217279920), (2, 108639960), (3, 72426640), (4, 54319980), (5, 43455984), (6, 36213320), (8, 27159990), (10, 21727992), (11, 19752720), (12, 18106660), (13, 16713840), (15, 14485328), (16, 13579995), (20, 10863996), (22, 9876360), (24, 9053330), (26, 8356920), (30, 7242664), (33, 6584240), (39, 5571280), (40, 5431998), (44, 4938180), (48, 4526665), (52, 4178460), (55, 3950544), (60, 3621332), (65, 3342768), (66, 3292120), (78, 2785640), (80, 2715999), (88, 2469090), (104, 2089230), (110, 1975272), (120, 1810666), (130, 1671384), (132, 1646060), (143, 1519440), (156, 1392820), (165, 1316848), (169, 1285680), (176, 1234545), (195, 1114256), (208, 1044615), (220, 987636), (240, 905333), (260, 835692), (264, 823030), (286, 759720), (312, 696410), (330, 658424), (338, 642840), (390, 557128), (429, 506480), (440, 493818), (487, 446160), (507, 428560), (520, 417846), (528, 411515), (572, 379860), (624, 348205), (660, 329212), (676, 321420), (715, 303888), (780, 278564), (845, 257136), (858, 253240), (880, 246909), (974, 223080), (1014, 214280), (1040, 208923), (1144, 189930), (1320, 164606), (1352, 160710), (1430, 151944), (1461, 148720), (1560, 139282), (1690, 128568), (1716, 126620), (1859, 116880), (1948, 111540), (2028, 107140), (2145, 101296), (2288, 94965), (2435, 89232), (2535, 85712), (2640, 82303), (2704, 80355), (2860, 75972), (2922, 74360), (3120, 69641), (3380, 64284), (3432, 63310), (3718, 58440), (3896, 55770), (4056, 53570), (4290, 50648), (4870, 44616), (5070, 42856), (5357, 40560), (5577, 38960), (5720, 37986), (5844, 37180), (6331, 34320), (6760, 32142), (6864, 31655), (7305, 29744), (7436, 29220), (7792, 27885), (8112, 26785), (8580, 25324), (9295, 23376), (9740, 22308), (10140, 21428), (10714, 20280), (11154, 19480), (11440, 18993), (11688, 18590), (12662, 17160), (13520, 16071), (14610, 14872)]