22771280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 63654408

約数和(自身を除く): 40883128

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, 157, 185, 196, 245, 259, 280, 296, 314, 370, 392, 490, 518, 560, 592, 628, 740, 784, 785, 980, 1036, 1099, 1256, 1295, 1480, 1570, 1813, 1960, 2072, 2198, 2512, 2590, 2960, 3140, 3626, 3920, 4144, 4396, 5180, 5495, 5809, 6280, 7252, 7693, 8792, 9065, 10360, 10990, 11618, 12560, 14504, 15386, 17584, 18130, 20720, 21980, 23236, 29008, 29045, 30772, 36260, 38465, 40663, 43960, 46472, 58090, 61544, 72520, 76930, 81326, 87920, 92944, 116180, 123088, 145040, 153860, 162652, 203315, 232360, 284641, 307720, 325304, 406630, 464720, 569282, 615440, 650608, 813260, 1138564, 1423205, 1626520, 2277128, 2846410, 3253040, 4554256, 5692820, 11385640, 22771280]

約数ペア:

[(1, 22771280), (2, 11385640), (4, 5692820), (5, 4554256), (7, 3253040), (8, 2846410), (10, 2277128), (14, 1626520), (16, 1423205), (20, 1138564), (28, 813260), (35, 650608), (37, 615440), (40, 569282), (49, 464720), (56, 406630), (70, 325304), (74, 307720), (80, 284641), (98, 232360), (112, 203315), (140, 162652), (148, 153860), (157, 145040), (185, 123088), (196, 116180), (245, 92944), (259, 87920), (280, 81326), (296, 76930), (314, 72520), (370, 61544), (392, 58090), (490, 46472), (518, 43960), (560, 40663), (592, 38465), (628, 36260), (740, 30772), (784, 29045), (785, 29008), (980, 23236), (1036, 21980), (1099, 20720), (1256, 18130), (1295, 17584), (1480, 15386), (1570, 14504), (1813, 12560), (1960, 11618), (2072, 10990), (2198, 10360), (2512, 9065), (2590, 8792), (2960, 7693), (3140, 7252), (3626, 6280), (3920, 5809), (4144, 5495), (4396, 5180)]