445427840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 256

約数和(自身を含む): 1299594240

約数和(自身を除く): 854166400

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, 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, 1364, 1408, 1430, 1570, 1612, 1664, 1705, 1727, 1760, 1984, 2015, 2041, 2080, 2288, 2480, 2512, 2728, 2860, 3140, 3224, 3410, 3454, 3520, 3968, 4030, 4082, 4160, 4433, 4576, 4867, 4960, 5024, 5456, 5720, 6280, 6448, 6820, 6908, 7040, 8060, 8164, 8320, 8635, 8866, 9152, 9734, 9920, 10048, 10205, 10912, 11440, 12560, 12896, 13640, 13816, 16120, 16328, 17270, 17732, 18304, 19468, 19840, 20096, 20410, 21824, 22165, 22451, 22880, 24335, 25120, 25792, 27280, 27632, 32240, 32656, 34540, 35464, 38936, 40820, 43648, 44330, 44902, 45760, 48670, 50240, 51584, 53537, 54560, 55264, 63271, 64480, 65312, 69080, 70928, 77872, 81640, 88660, 89804, 91520, 97340, 100480, 107074, 109120, 110528, 112255, 126542, 128960, 130624, 138160, 141856, 155744, 163280, 177320, 179608, 194680, 214148, 218240, 221056, 224510, 253084, 257920, 261248, 267685, 276320, 283712, 311488, 316355, 326560, 354640, 359216, 389360, 428296, 449020, 506168, 535370, 552640, 567424, 622976, 632710, 653120, 695981, 709280, 718432, 778720, 856592, 898040, 1012336, 1070740, 1105280, 1265420, 1306240, 1391962, 1418560, 1436864, 1557440, 1713184, 1796080, 2024672, 2141480, 2530840, 2783924, 2837120, 2873728, 3114880, 3426368, 3479905, 3592160, 4049344, 4282960, 5061680, 5567848, 6852736, 6959810, 7184320, 8098688, 8565920, 10123360, 11135696, 13919620, 14368640, 17131840, 20246720, 22271392, 27839240, 34263680, 40493440, 44542784, 55678480, 89085568, 111356960, 222713920, 445427840]

約数ペア:

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