289706560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 168

約数和(自身を含む): 816595776

約数和(自身を除く): 526889216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 208, 220, 260, 286, 320, 338, 352, 416, 440, 487, 520, 572, 676, 704, 715, 832, 845, 880, 974, 1040, 1144, 1352, 1430, 1690, 1760, 1859, 1948, 2080, 2288, 2435, 2704, 2860, 3380, 3520, 3718, 3896, 4160, 4576, 4870, 5357, 5408, 5720, 6331, 6760, 7436, 7792, 9152, 9295, 9740, 10714, 10816, 11440, 12662, 13520, 14872, 15584, 18590, 19480, 21428, 22880, 25324, 26785, 27040, 29744, 31168, 31655, 37180, 38960, 42856, 45760, 50648, 53570, 54080, 59488, 63310, 69641, 74360, 77920, 82303, 85712, 101296, 107140, 118976, 126620, 139282, 148720, 155840, 164606, 171424, 202592, 214280, 253240, 278564, 297440, 329212, 342848, 348205, 405184, 411515, 428560, 506480, 557128, 594880, 658424, 696410, 823030, 857120, 905333, 1012960, 1114256, 1316848, 1392820, 1646060, 1714240, 1810666, 2025920, 2228512, 2633696, 2785640, 3292120, 3621332, 4457024, 4526665, 5267392, 5571280, 6584240, 7242664, 9053330, 11142560, 13168480, 14485328, 18106660, 22285120, 26336960, 28970656, 36213320, 57941312, 72426640, 144853280, 289706560]

約数ペア:

[(1, 289706560), (2, 144853280), (4, 72426640), (5, 57941312), (8, 36213320), (10, 28970656), (11, 26336960), (13, 22285120), (16, 18106660), (20, 14485328), (22, 13168480), (26, 11142560), (32, 9053330), (40, 7242664), (44, 6584240), (52, 5571280), (55, 5267392), (64, 4526665), (65, 4457024), (80, 3621332), (88, 3292120), (104, 2785640), (110, 2633696), (130, 2228512), (143, 2025920), (160, 1810666), (169, 1714240), (176, 1646060), (208, 1392820), (220, 1316848), (260, 1114256), (286, 1012960), (320, 905333), (338, 857120), (352, 823030), (416, 696410), (440, 658424), (487, 594880), (520, 557128), (572, 506480), (676, 428560), (704, 411515), (715, 405184), (832, 348205), (845, 342848), (880, 329212), (974, 297440), (1040, 278564), (1144, 253240), (1352, 214280), (1430, 202592), (1690, 171424), (1760, 164606), (1859, 155840), (1948, 148720), (2080, 139282), (2288, 126620), (2435, 118976), (2704, 107140), (2860, 101296), (3380, 85712), (3520, 82303), (3718, 77920), (3896, 74360), (4160, 69641), (4576, 63310), (4870, 59488), (5357, 54080), (5408, 53570), (5720, 50648), (6331, 45760), (6760, 42856), (7436, 38960), (7792, 37180), (9152, 31655), (9295, 31168), (9740, 29744), (10714, 27040), (10816, 26785), (11440, 25324), (12662, 22880), (13520, 21428), (14872, 19480), (15584, 18590)]