89438720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 240

約数和(自身を含む): 268697088

約数和(自身を除く): 179258368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 49, 56, 62, 64, 70, 80, 92, 98, 112, 115, 124, 128, 140, 155, 160, 161, 184, 196, 217, 224, 230, 245, 248, 256, 280, 310, 320, 322, 368, 392, 434, 448, 460, 490, 496, 512, 560, 620, 640, 644, 713, 736, 784, 805, 868, 896, 920, 980, 992, 1085, 1120, 1127, 1240, 1280, 1288, 1426, 1472, 1519, 1568, 1610, 1736, 1792, 1840, 1960, 1984, 2170, 2240, 2254, 2480, 2560, 2576, 2852, 2944, 3038, 3136, 3220, 3472, 3565, 3584, 3680, 3920, 3968, 4340, 4480, 4508, 4960, 4991, 5152, 5635, 5704, 5888, 6076, 6272, 6440, 6944, 7130, 7360, 7595, 7840, 7936, 8680, 8960, 9016, 9920, 9982, 10304, 11270, 11408, 11776, 12152, 12544, 12880, 13888, 14260, 14720, 15190, 15680, 15872, 17360, 17920, 18032, 19840, 19964, 20608, 22540, 22816, 24304, 24955, 25088, 25760, 27776, 28520, 29440, 30380, 31360, 34720, 34937, 36064, 39680, 39928, 41216, 45080, 45632, 48608, 49910, 51520, 55552, 57040, 58880, 60760, 62720, 69440, 69874, 72128, 79360, 79856, 82432, 90160, 91264, 97216, 99820, 103040, 111104, 114080, 121520, 125440, 138880, 139748, 144256, 159712, 174685, 180320, 182528, 194432, 199640, 206080, 228160, 243040, 277760, 279496, 288512, 319424, 349370, 360640, 365056, 388864, 399280, 412160, 456320, 486080, 555520, 558992, 577024, 638848, 698740, 721280, 777728, 798560, 912640, 972160, 1117984, 1277696, 1397480, 1442560, 1597120, 1825280, 1944320, 2235968, 2555392, 2794960, 2885120, 3194240, 3888640, 4471936, 5589920, 6388480, 8943872, 11179840, 12776960, 17887744, 22359680, 44719360, 89438720]

約数ペア:

[(1, 89438720), (2, 44719360), (4, 22359680), (5, 17887744), (7, 12776960), (8, 11179840), (10, 8943872), (14, 6388480), (16, 5589920), (20, 4471936), (23, 3888640), (28, 3194240), (31, 2885120), (32, 2794960), (35, 2555392), (40, 2235968), (46, 1944320), (49, 1825280), (56, 1597120), (62, 1442560), (64, 1397480), (70, 1277696), (80, 1117984), (92, 972160), (98, 912640), (112, 798560), (115, 777728), (124, 721280), (128, 698740), (140, 638848), (155, 577024), (160, 558992), (161, 555520), (184, 486080), (196, 456320), (217, 412160), (224, 399280), (230, 388864), (245, 365056), (248, 360640), (256, 349370), (280, 319424), (310, 288512), (320, 279496), (322, 277760), (368, 243040), (392, 228160), (434, 206080), (448, 199640), (460, 194432), (490, 182528), (496, 180320), (512, 174685), (560, 159712), (620, 144256), (640, 139748), (644, 138880), (713, 125440), (736, 121520), (784, 114080), (805, 111104), (868, 103040), (896, 99820), (920, 97216), (980, 91264), (992, 90160), (1085, 82432), (1120, 79856), (1127, 79360), (1240, 72128), (1280, 69874), (1288, 69440), (1426, 62720), (1472, 60760), (1519, 58880), (1568, 57040), (1610, 55552), (1736, 51520), (1792, 49910), (1840, 48608), (1960, 45632), (1984, 45080), (2170, 41216), (2240, 39928), (2254, 39680), (2480, 36064), (2560, 34937), (2576, 34720), (2852, 31360), (2944, 30380), (3038, 29440), (3136, 28520), (3220, 27776), (3472, 25760), (3565, 25088), (3584, 24955), (3680, 24304), (3920, 22816), (3968, 22540), (4340, 20608), (4480, 19964), (4508, 19840), (4960, 18032), (4991, 17920), (5152, 17360), (5635, 15872), (5704, 15680), (5888, 15190), (6076, 14720), (6272, 14260), (6440, 13888), (6944, 12880), (7130, 12544), (7360, 12152), (7595, 11776), (7840, 11408), (7936, 11270), (8680, 10304), (8960, 9982), (9016, 9920)]