90787840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 208

約数和(自身を含む): 264208896

約数和(自身を除く): 173421056

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, 160, 176, 208, 220, 248, 256, 260, 286, 310, 320, 341, 352, 403, 416, 440, 496, 512, 520, 572, 620, 640, 682, 704, 715, 806, 832, 880, 992, 1024, 1040, 1144, 1240, 1280, 1364, 1408, 1430, 1612, 1664, 1705, 1760, 1984, 2015, 2048, 2080, 2288, 2480, 2560, 2728, 2816, 2860, 3224, 3328, 3410, 3520, 3968, 4030, 4096, 4160, 4433, 4576, 4960, 5120, 5456, 5632, 5720, 6448, 6656, 6820, 7040, 7936, 8060, 8320, 8866, 9152, 9920, 10240, 10912, 11264, 11440, 12896, 13312, 13640, 14080, 15872, 16120, 16640, 17732, 18304, 19840, 20480, 21824, 22165, 22528, 22880, 25792, 26624, 27280, 28160, 31744, 32240, 33280, 35464, 36608, 39680, 43648, 44330, 45056, 45760, 51584, 53248, 54560, 56320, 63488, 64480, 66560, 70928, 73216, 79360, 87296, 88660, 91520, 103168, 109120, 112640, 126976, 128960, 133120, 141856, 146432, 158720, 174592, 177320, 183040, 206336, 218240, 225280, 257920, 266240, 283712, 292864, 317440, 349184, 354640, 366080, 412672, 436480, 515840, 567424, 585728, 634880, 698368, 709280, 732160, 825344, 872960, 1031680, 1134848, 1396736, 1418560, 1464320, 1650688, 1745920, 2063360, 2269696, 2837120, 2928640, 3491840, 4126720, 4539392, 5674240, 6983680, 8253440, 9078784, 11348480, 18157568, 22696960, 45393920, 90787840]

約数ペア:

[(1, 90787840), (2, 45393920), (4, 22696960), (5, 18157568), (8, 11348480), (10, 9078784), (11, 8253440), (13, 6983680), (16, 5674240), (20, 4539392), (22, 4126720), (26, 3491840), (31, 2928640), (32, 2837120), (40, 2269696), (44, 2063360), (52, 1745920), (55, 1650688), (62, 1464320), (64, 1418560), (65, 1396736), (80, 1134848), (88, 1031680), (104, 872960), (110, 825344), (124, 732160), (128, 709280), (130, 698368), (143, 634880), (155, 585728), (160, 567424), (176, 515840), (208, 436480), (220, 412672), (248, 366080), (256, 354640), (260, 349184), (286, 317440), (310, 292864), (320, 283712), (341, 266240), (352, 257920), (403, 225280), (416, 218240), (440, 206336), (496, 183040), (512, 177320), (520, 174592), (572, 158720), (620, 146432), (640, 141856), (682, 133120), (704, 128960), (715, 126976), (806, 112640), (832, 109120), (880, 103168), (992, 91520), (1024, 88660), (1040, 87296), (1144, 79360), (1240, 73216), (1280, 70928), (1364, 66560), (1408, 64480), (1430, 63488), (1612, 56320), (1664, 54560), (1705, 53248), (1760, 51584), (1984, 45760), (2015, 45056), (2048, 44330), (2080, 43648), (2288, 39680), (2480, 36608), (2560, 35464), (2728, 33280), (2816, 32240), (2860, 31744), (3224, 28160), (3328, 27280), (3410, 26624), (3520, 25792), (3968, 22880), (4030, 22528), (4096, 22165), (4160, 21824), (4433, 20480), (4576, 19840), (4960, 18304), (5120, 17732), (5456, 16640), (5632, 16120), (5720, 15872), (6448, 14080), (6656, 13640), (6820, 13312), (7040, 12896), (7936, 11440), (8060, 11264), (8320, 10912), (8866, 10240), (9152, 9920)]