131551280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 120

約数和(自身を含む): 365811408

約数和(自身を除く): 234260128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 907, 980, 1036, 1295, 1480, 1813, 1814, 1960, 2072, 2590, 2960, 3626, 3628, 3920, 4144, 4535, 5180, 6349, 7252, 7256, 9065, 9070, 10360, 12698, 14504, 14512, 18130, 18140, 20720, 25396, 29008, 31745, 33559, 36260, 36280, 44443, 50792, 63490, 67118, 72520, 72560, 88886, 101584, 126980, 134236, 145040, 167795, 177772, 222215, 234913, 253960, 268472, 335590, 355544, 444430, 469826, 507920, 536944, 671180, 711088, 888860, 939652, 1174565, 1342360, 1644391, 1777720, 1879304, 2349130, 2684720, 3288782, 3555440, 3758608, 4698260, 6577564, 8221955, 9396520, 13155128, 16443910, 18793040, 26310256, 32887820, 65775640, 131551280]

約数ペア:

[(1, 131551280), (2, 65775640), (4, 32887820), (5, 26310256), (7, 18793040), (8, 16443910), (10, 13155128), (14, 9396520), (16, 8221955), (20, 6577564), (28, 4698260), (35, 3758608), (37, 3555440), (40, 3288782), (49, 2684720), (56, 2349130), (70, 1879304), (74, 1777720), (80, 1644391), (98, 1342360), (112, 1174565), (140, 939652), (148, 888860), (185, 711088), (196, 671180), (245, 536944), (259, 507920), (280, 469826), (296, 444430), (370, 355544), (392, 335590), (490, 268472), (518, 253960), (560, 234913), (592, 222215), (740, 177772), (784, 167795), (907, 145040), (980, 134236), (1036, 126980), (1295, 101584), (1480, 88886), (1813, 72560), (1814, 72520), (1960, 67118), (2072, 63490), (2590, 50792), (2960, 44443), (3626, 36280), (3628, 36260), (3920, 33559), (4144, 31745), (4535, 29008), (5180, 25396), (6349, 20720), (7252, 18140), (7256, 18130), (9065, 14512), (9070, 14504), (10360, 12698)]