87557120

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 132

約数和(自身を含む): 245025900

約数和(自身を除く): 157468780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 349, 392, 448, 490, 512, 560, 640, 698, 784, 896, 980, 1024, 1120, 1280, 1396, 1568, 1745, 1792, 1960, 2240, 2443, 2560, 2792, 3136, 3490, 3584, 3920, 4480, 4886, 5120, 5584, 6272, 6980, 7168, 7840, 8960, 9772, 11168, 12215, 12544, 13960, 15680, 17101, 17920, 19544, 22336, 24430, 25088, 27920, 31360, 34202, 35840, 39088, 44672, 48860, 50176, 55840, 62720, 68404, 78176, 85505, 89344, 97720, 111680, 125440, 136808, 156352, 171010, 178688, 195440, 223360, 250880, 273616, 312704, 342020, 357376, 390880, 446720, 547232, 625408, 684040, 781760, 893440, 1094464, 1250816, 1368080, 1563520, 1786880, 2188928, 2501632, 2736160, 3127040, 4377856, 5472320, 6254080, 8755712, 10944640, 12508160, 17511424, 21889280, 43778560, 87557120]

約数ペア:

[(1, 87557120), (2, 43778560), (4, 21889280), (5, 17511424), (7, 12508160), (8, 10944640), (10, 8755712), (14, 6254080), (16, 5472320), (20, 4377856), (28, 3127040), (32, 2736160), (35, 2501632), (40, 2188928), (49, 1786880), (56, 1563520), (64, 1368080), (70, 1250816), (80, 1094464), (98, 893440), (112, 781760), (128, 684040), (140, 625408), (160, 547232), (196, 446720), (224, 390880), (245, 357376), (256, 342020), (280, 312704), (320, 273616), (349, 250880), (392, 223360), (448, 195440), (490, 178688), (512, 171010), (560, 156352), (640, 136808), (698, 125440), (784, 111680), (896, 97720), (980, 89344), (1024, 85505), (1120, 78176), (1280, 68404), (1396, 62720), (1568, 55840), (1745, 50176), (1792, 48860), (1960, 44672), (2240, 39088), (2443, 35840), (2560, 34202), (2792, 31360), (3136, 27920), (3490, 25088), (3584, 24430), (3920, 22336), (4480, 19544), (4886, 17920), (5120, 17101), (5584, 15680), (6272, 13960), (6980, 12544), (7168, 12215), (7840, 11168), (8960, 9772)]