890855680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 288

約数和(自身を含む): 2604284928

約数和(自身を除く): 1713429248

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 128, 130, 143, 155, 157, 160, 176, 208, 220, 248, 256, 260, 286, 310, 314, 320, 341, 352, 403, 416, 440, 496, 520, 572, 620, 628, 640, 682, 704, 715, 785, 806, 832, 880, 992, 1040, 1144, 1240, 1256, 1280, 1364, 1408, 1430, 1570, 1612, 1664, 1705, 1727, 1760, 1984, 2015, 2041, 2080, 2288, 2480, 2512, 2728, 2816, 2860, 3140, 3224, 3328, 3410, 3454, 3520, 3968, 4030, 4082, 4160, 4433, 4576, 4867, 4960, 5024, 5456, 5720, 6280, 6448, 6820, 6908, 7040, 7936, 8060, 8164, 8320, 8635, 8866, 9152, 9734, 9920, 10048, 10205, 10912, 11440, 12560, 12896, 13640, 13816, 14080, 16120, 16328, 16640, 17270, 17732, 18304, 19468, 19840, 20096, 20410, 21824, 22165, 22451, 22880, 24335, 25120, 25792, 27280, 27632, 32240, 32656, 34540, 35464, 36608, 38936, 39680, 40192, 40820, 43648, 44330, 44902, 45760, 48670, 50240, 51584, 53537, 54560, 55264, 63271, 64480, 65312, 69080, 70928, 77872, 81640, 87296, 88660, 89804, 91520, 97340, 100480, 103168, 107074, 109120, 110528, 112255, 126542, 128960, 130624, 138160, 141856, 155744, 163280, 177320, 179608, 183040, 194680, 200960, 214148, 218240, 221056, 224510, 253084, 257920, 261248, 267685, 276320, 283712, 311488, 316355, 326560, 354640, 359216, 389360, 428296, 436480, 442112, 449020, 506168, 515840, 522496, 535370, 552640, 567424, 622976, 632710, 653120, 695981, 709280, 718432, 778720, 856592, 898040, 1012336, 1070740, 1105280, 1134848, 1245952, 1265420, 1306240, 1391962, 1418560, 1436864, 1557440, 1713184, 1796080, 2024672, 2141480, 2210560, 2530840, 2612480, 2783924, 2837120, 2873728, 3114880, 3426368, 3479905, 3592160, 4049344, 4282960, 5061680, 5567848, 5674240, 5747456, 6229760, 6852736, 6959810, 7184320, 8098688, 8565920, 10123360, 11135696, 13705472, 13919620, 14368640, 16197376, 17131840, 20246720, 22271392, 27839240, 28737280, 34263680, 40493440, 44542784, 55678480, 68527360, 80986880, 89085568, 111356960, 178171136, 222713920, 445427840, 890855680]

約数ペア:

[(1, 890855680), (2, 445427840), (4, 222713920), (5, 178171136), (8, 111356960), (10, 89085568), (11, 80986880), (13, 68527360), (16, 55678480), (20, 44542784), (22, 40493440), (26, 34263680), (31, 28737280), (32, 27839240), (40, 22271392), (44, 20246720), (52, 17131840), (55, 16197376), (62, 14368640), (64, 13919620), (65, 13705472), (80, 11135696), (88, 10123360), (104, 8565920), (110, 8098688), (124, 7184320), (128, 6959810), (130, 6852736), (143, 6229760), (155, 5747456), (157, 5674240), (160, 5567848), (176, 5061680), (208, 4282960), (220, 4049344), (248, 3592160), (256, 3479905), (260, 3426368), (286, 3114880), (310, 2873728), (314, 2837120), (320, 2783924), (341, 2612480), (352, 2530840), (403, 2210560), (416, 2141480), (440, 2024672), (496, 1796080), (520, 1713184), (572, 1557440), (620, 1436864), (628, 1418560), (640, 1391962), (682, 1306240), (704, 1265420), (715, 1245952), (785, 1134848), (806, 1105280), (832, 1070740), (880, 1012336), (992, 898040), (1040, 856592), (1144, 778720), (1240, 718432), (1256, 709280), (1280, 695981), (1364, 653120), (1408, 632710), (1430, 622976), (1570, 567424), (1612, 552640), (1664, 535370), (1705, 522496), (1727, 515840), (1760, 506168), (1984, 449020), (2015, 442112), (2041, 436480), (2080, 428296), (2288, 389360), (2480, 359216), (2512, 354640), (2728, 326560), (2816, 316355), (2860, 311488), (3140, 283712), (3224, 276320), (3328, 267685), (3410, 261248), (3454, 257920), (3520, 253084), (3968, 224510), (4030, 221056), (4082, 218240), (4160, 214148), (4433, 200960), (4576, 194680), (4867, 183040), (4960, 179608), (5024, 177320), (5456, 163280), (5720, 155744), (6280, 141856), (6448, 138160), (6820, 130624), (6908, 128960), (7040, 126542), (7936, 112255), (8060, 110528), (8164, 109120), (8320, 107074), (8635, 103168), (8866, 100480), (9152, 97340), (9734, 91520), (9920, 89804), (10048, 88660), (10205, 87296), (10912, 81640), (11440, 77872), (12560, 70928), (12896, 69080), (13640, 65312), (13816, 64480), (14080, 63271), (16120, 55264), (16328, 54560), (16640, 53537), (17270, 51584), (17732, 50240), (18304, 48670), (19468, 45760), (19840, 44902), (20096, 44330), (20410, 43648), (21824, 40820), (22165, 40192), (22451, 39680), (22880, 38936), (24335, 36608), (25120, 35464), (25792, 34540), (27280, 32656), (27632, 32240)]