73731280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2687}}^1$

素因数の和:2721

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 126255920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2687, 2744, 3430, 3920, 5374, 5488, 6860, 10748, 13435, 13720, 18809, 21496, 26870, 27440, 37618, 42992, 53740, 75236, 94045, 107480, 131663, 150472, 188090, 214960, 263326, 300944, 376180, 526652, 658315, 752360, 921641, 1053304, 1316630, 1504720, 1843282, 2106608, 2633260, 3686564, 4608205, 5266520, 7373128, 9216410, 10533040, 14746256, 18432820, 36865640, 73731280]

約数ペア:

[(1, 73731280), (2, 36865640), (4, 18432820), (5, 14746256), (7, 10533040), (8, 9216410), (10, 7373128), (14, 5266520), (16, 4608205), (20, 3686564), (28, 2633260), (35, 2106608), (40, 1843282), (49, 1504720), (56, 1316630), (70, 1053304), (80, 921641), (98, 752360), (112, 658315), (140, 526652), (196, 376180), (245, 300944), (280, 263326), (343, 214960), (392, 188090), (490, 150472), (560, 131663), (686, 107480), (784, 94045), (980, 75236), (1372, 53740), (1715, 42992), (1960, 37618), (2687, 27440), (2744, 26870), (3430, 21496), (3920, 18809), (5374, 13720), (5488, 13435), (6860, 10748)]