1269789920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1265

約数の個数: 144

約数和(自身を含む): 3516307200

約数和(自身を除く): 2246517280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 160, 196, 224, 245, 280, 298, 392, 490, 560, 596, 745, 784, 980, 1043, 1087, 1120, 1192, 1490, 1568, 1960, 2086, 2174, 2384, 2980, 3920, 4172, 4348, 4768, 5215, 5435, 5960, 7301, 7609, 7840, 8344, 8696, 10430, 10870, 11920, 14602, 15218, 16688, 17392, 20860, 21740, 23840, 29204, 30436, 33376, 34784, 36505, 38045, 41720, 43480, 53263, 58408, 60872, 73010, 76090, 83440, 86960, 106526, 116816, 121744, 146020, 152180, 161963, 166880, 173920, 213052, 233632, 243488, 266315, 292040, 304360, 323926, 426104, 532630, 584080, 608720, 647852, 809815, 852208, 1065260, 1133741, 1168160, 1217440, 1295704, 1619630, 1704416, 2130520, 2267482, 2591408, 3239260, 4261040, 4534964, 5182816, 5668705, 6478520, 7936187, 8522080, 9069928, 11337410, 12957040, 15872374, 18139856, 22674820, 25914080, 31744748, 36279712, 39680935, 45349640, 63489496, 79361870, 90699280, 126978992, 158723740, 181398560, 253957984, 317447480, 634894960, 1269789920]

約数ペア:

[(1, 1269789920), (2, 634894960), (4, 317447480), (5, 253957984), (7, 181398560), (8, 158723740), (10, 126978992), (14, 90699280), (16, 79361870), (20, 63489496), (28, 45349640), (32, 39680935), (35, 36279712), (40, 31744748), (49, 25914080), (56, 22674820), (70, 18139856), (80, 15872374), (98, 12957040), (112, 11337410), (140, 9069928), (149, 8522080), (160, 7936187), (196, 6478520), (224, 5668705), (245, 5182816), (280, 4534964), (298, 4261040), (392, 3239260), (490, 2591408), (560, 2267482), (596, 2130520), (745, 1704416), (784, 1619630), (980, 1295704), (1043, 1217440), (1087, 1168160), (1120, 1133741), (1192, 1065260), (1490, 852208), (1568, 809815), (1960, 647852), (2086, 608720), (2174, 584080), (2384, 532630), (2980, 426104), (3920, 323926), (4172, 304360), (4348, 292040), (4768, 266315), (5215, 243488), (5435, 233632), (5960, 213052), (7301, 173920), (7609, 166880), (7840, 161963), (8344, 152180), (8696, 146020), (10430, 121744), (10870, 116816), (11920, 106526), (14602, 86960), (15218, 83440), (16688, 76090), (17392, 73010), (20860, 60872), (21740, 58408), (23840, 53263), (29204, 43480), (30436, 41720), (33376, 38045), (34784, 36505)]